chore: update .gitignore file

- Remove PyCharm-specific comments
- Add settings.toml to ignored files
- Remove duplicate entry for settings.local.toml

.gitignore

@@ -154,12 +154,9 @@ dmypy.json
 # Cython debug symbols
 cython_debug/
 
-# PyCharm
-#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
-#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
-#  and can be added to the global gitignore or merged into this file.  For a more nuclear
-#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
 settings.json
 settings.local.toml
 .secrets.toml
+
+settings.local.toml
+settings.toml