fix: remove superchain erc20 base

packages/contracts-bedrock/semver-lock.json

@@ -117,15 +117,15 @@
   },
   "src/L2/OptimismSuperchainERC20.sol": {
     "initCodeHash": "0x749dacbd29aad60c71c1e1878b21854c796759fb7a5ddc549b96ab9e39bb62b8",
-    "sourceCodeHash": "0xabd50b1b74d00aae459352899da16d937b6809699dd17c0b42c46cfd0e9a201d"
+    "sourceCodeHash": "0xd067ddabbeb6fe1c3886100b16c905b57dfd44f5e6e893323217fe4e642285d4"
   },
   "src/L2/OptimismSuperchainERC20Beacon.sol": {
     "initCodeHash": "0x99ce8095b23c124850d866cbc144fee6cee05dbc6bb5d83acadfe00b90cf42c7",
     "sourceCodeHash": "0x5e58b7c867fafa49fe39d68d83875425e9cf94f05f2835bdcdaa08fc8bc6b68e"
   },
   "src/L2/OptimismSuperchainERC20Factory.sol": {
     "initCodeHash": "0x43ec413140b05bfb83ec453b0d4f82b33a2d560bf8c76405d08de17565b87053",
-    "sourceCodeHash": "0x3dc742f350bf100f92fd32769c99668cddf1f9cf6782dcff0bb1243b7c7ed186"
+    "sourceCodeHash": "0x1e8e1262a549ce7e24e19174a998716ceb9a3034296b456914d74b4cb4f40caa"
   },
   "src/L2/SequencerFeeVault.sol": {
     "initCodeHash": "0x2e6551705e493bacba8cffe22e564d5c401ae5bb02577a5424e0d32784e13e74",

packages/contracts-bedrock/src/L2/OptimismSuperchainERC20.sol

@@ -13,9 +13,9 @@ import { Initializable } from "@openzeppelin/contracts-v5/proxy/utils/Initializa
 /// @title OptimismSuperchainERC20
 /// @notice OptimismSuperchainERC20 is a standard extension of the base ERC20 token contract that unifies ERC20 token
 ///         bridging to make it fungible across the Superchain. This construction allows the L2StandardBridge to burn
-///         and mint tokens. This makes it possible to convert a valid OptimismMintableERC20 token to a SuperchainERC20
-///         token, turning it fungible and interoperable across the superchain. Likewise, it also enables the inverse
-///         conversion path.
+///         and mint tokens. This makes it possible to convert a valid OptimismMintableERC20 token to a
+///         OptimismSuperchainERC20 token, turning it fungible and interoperable across the superchain. Likewise, it
+///         also enables the inverse conversion path.
 ///         Moreover, it builds on top of the L2ToL2CrossDomainMessenger for both replay protection and domain binding.
 contract OptimismSuperchainERC20 is ERC20, Initializable, ERC165, IOptimismSuperchainERC20Extension, ISemver {
     /// @notice Storage slot that the OptimismSuperchainERC20Metadata struct is stored at.
@@ -81,7 +81,7 @@ contract OptimismSuperchainERC20 is ERC20, Initializable, ERC165, IOptimismSuper
         _storage.decimals = _decimals;
     }
 
-    /// @notice Allows the L2StandardBridge and SuperchainERC20Bridge bridges to mint tokens.
+    /// @notice Allows the L2StandardBridge and SuperchainERC20Bridge to mint tokens.
     /// @param _to     Address to mint tokens to.
     /// @param _amount Amount of tokens to mint.
     function mint(address _to, uint256 _amount) external virtual onlyAuthorizedBridge {
@@ -92,7 +92,7 @@ contract OptimismSuperchainERC20 is ERC20, Initializable, ERC165, IOptimismSuper
         emit Mint(_to, _amount);
     }
 
-    /// @notice Allows the L2StandardBridge and SuperchainERC20Bridge bridges to burn tokens.
+    /// @notice Allows the L2StandardBridge and SuperchainERC20Bridge to burn tokens.
     /// @param _from   Address to burn tokens from.
     /// @param _amount Amount of tokens to burn.
     function burn(address _from, uint256 _amount) external virtual onlyAuthorizedBridge {

packages/contracts-bedrock/src/L2/OptimismSuperchainERC20Factory.sol

@@ -19,7 +19,7 @@ contract OptimismSuperchainERC20Factory is IOptimismSuperchainERC20Factory, ISem
     mapping(address superchainToken => address remoteToken) public deployments;
 
     /// @notice Emitted when an OptimismSuperchainERC20 is deployed.
-    /// @param superchainToken  Address of the SuperchainERC20 deployment.
+    /// @param superchainToken  Address of the OptimismSuperchainERC20 deployment.
     /// @param remoteToken      Address of the corresponding token on the remote chain.
     /// @param deployer         Address of the account that deployed the token.
     event OptimismSuperchainERC20Created(

packages/contracts-bedrock/src/L2/interfaces/IOptimismSuperchainERC20.sol

@@ -17,8 +17,6 @@ interface IOptimismSuperchainERC20Errors {
 
 /// @title IOptimismSuperchainERC20Extension
 /// @notice This interface is available on the OptimismSuperchainERC20 contract.
-///         We declare it as a separate interface so that it can be used in
-///         custom implementations of SuperchainERC20.
 interface IOptimismSuperchainERC20Extension is IOptimismSuperchainERC20Errors {
     /// @notice Emitted whenever tokens are minted for an account.
     /// @param account Address of the account tokens are being minted for.
@@ -30,12 +28,12 @@ interface IOptimismSuperchainERC20Extension is IOptimismSuperchainERC20Errors {
     /// @param amount  Amount of tokens burned.
     event Burn(address indexed account, uint256 amount);
 
-    /// @notice Allows the L2StandardBridge and SuperchainERC20Bridge bridges to mint tokens.
+    /// @notice Allows the L2StandardBridge and SuperchainERC20Bridge to mint tokens.
     /// @param _to     Address to mint tokens to.
     /// @param _amount Amount of tokens to mint.
     function mint(address _to, uint256 _amount) external;
 
-    /// @notice Allows the L2StandardBridge and SuperchainERC20Bridge bridges to burn tokens.
+    /// @notice Allows the L2StandardBridge and SuperchainERC20Bridge to burn tokens.
     /// @param _from   Address to burn tokens from.
     /// @param _amount Amount of tokens to burn.
     function burn(address _from, uint256 _amount) external;

packages/contracts-bedrock/src/L2/interfaces/ISuperchainERC20.sol

@@ -1,9 +1,6 @@
 // SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
-// Interfaces
-import { IERC20Solady } from "src/vendor/interfaces/IERC20Solady.sol";
-
 /// @title ISuperchainERC20Errors
 /// @notice Interface containing the errors added in the SuperchainERC20 implementation.
 interface ISuperchainERC20Errors {
@@ -49,7 +46,3 @@ interface ISuperchainERC20Extensions is ISuperchainERC20Errors {
     /// @param _amount  Amount of tokens to relay.
     function relayERC20(address _from, address _to, uint256 _amount) external;
 }
-
-/// @title ISuperchainERC20
-/// @notice Combines Solady's ERC20 interface with the SuperchainERC20Extensions interface.
-interface ISuperchainERC20 is IERC20Solady, ISuperchainERC20Extensions { }

packages/contracts-bedrock/test/L2/L2StandardBridgeInterop.t.sol

@@ -57,9 +57,9 @@ contract L2StandardBridgeInterop_Test is Bridge_Initializer {
     }
 }
 
-/// @notice Test suite when converting from a legacy token to a SuperchainERC20 token
+/// @notice Test suite when converting from a legacy token to a OptimismSuperchainERC20 token
 contract L2StandardBridgeInterop_LegacyToSuper_Test is L2StandardBridgeInterop_Test {
-    /// @notice Set up the test for converting from a legacy token to a SuperchainERC20 token
+    /// @notice Set up the test for converting from a legacy token to a OptimismSuperchainERC20 token
     function _setUpLegacyToSuper(address _from, address _to) internal {
         // Assume
         _assumeAddress(_from);
@@ -212,9 +212,9 @@ contract L2StandardBridgeInterop_LegacyToSuper_Test is L2StandardBridgeInterop_T
     }
 }
 
-/// @notice Test suite when converting from a SuperchainERC20 token to a legacy token
+/// @notice Test suite when converting from a OptimismSuperchainERC20 token to a legacy token
 contract L2StandardBridgeInterop_SuperToLegacy_Test is L2StandardBridgeInterop_Test {
-    /// @notice Set up the test for converting from a SuperchainERC20 token to a legacy token
+    /// @notice Set up the test for converting from a OptimismSuperchainERC20 token to a legacy token
     function _setUpSuperToLegacy(address _from, address _to) internal {
         // Assume
         _assumeAddress(_from);