remove php scoped stuff from nix-pkgs fork

We can merge this after NixOS/nixpkgs#225401
gets merged to nixpkgs and we run `nix flake update`.

all-packages.nix

@@ -1,10 +1,6 @@
-{
-  newScope,
-  php-newScope,
-  ...
-}: let
+{newScope, ...}: let
   self = rec {
-    flarum = php-callPackage ./pkgs/flarum {};
+    flarum = callPackage ./pkgs/flarum {};
     gnunet-messenger-cli = callPackage ./pkgs/gnunet-messenger-cli {};
     kikit = callPackage ./pkgs/kikit {};
     liberaforms = callPackage ./pkgs/liberaforms {};
@@ -20,6 +16,5 @@
   };
 
   callPackage = newScope (self // nixpkgs-candidates // {inherit callPackage;});
-  php-callPackage = php-newScope (self // nixpkgs-candidates // {inherit callPackage;});
 in
   self

flake.nix

@@ -2,7 +2,6 @@
   description = "NgiPkgs";
 
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-  inputs.php-nixpkgs.url = "github:drupol/nixpkgs?ref=php/add-new-builder";
   inputs.flake-utils.url = "github:numtide/flake-utils";
   # Set the defaultSystem list for flake-utils to only x86_64-linux
   inputs.systems.url = "github:nix-systems/x86_64-linux";
@@ -13,19 +12,16 @@
   outputs = {
     self,
     nixpkgs,
-    php-nixpkgs,
     flake-utils,
     treefmt-nix,
     ...
   }: let
     buildOutputs = system: let
       pkgs = nixpkgs.legacyPackages.${system};
-      php-pkgs = php-nixpkgs.legacyPackages.${system};
       treefmtEval = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
     in {
       packages = import ./all-packages.nix {
         inherit (pkgs) newScope;
-        php-newScope = php-pkgs.newScope;
       };
       nixosModules = {
         modules = import ./modules/all-modules.nix;