PHAN refactoring improvements

[marcovtwout]

Q	A
Is bugfix?	✔️
New feature?	❌
Breaks BC?	❌
Tests pass?	✔️
Fixed issues	https://github.com/yiisoft/yii/issues/4533

[what-the-diff[bot]]

PR Summary

• Enhanced Code Cleanliness Enhancements were made to organize the codebase better, through various refactorings, based on checks run through PHPStan.

• Removed Redundant Annotations in Multiple Files In several files (including but not limited to CComponent.php, CSecurityManager.php, CCache.php, CMssqlPdoAdapter.php, ModelGenerator.php, CHttpSessionIterator.php, CViewAction.php, and COutputCache.php), unnecessary usage of the @return and @throws annotations was detected and has been eradicated.

• Elimination of Unnecessary Comments Unnecessary and meaningless comments were identified and removed in ModelCommand.php and ModelCode.php.

• Optimization of Translation Handling The PR includes a removal of unnecessary translations in yii.php resulting in a cleaner, more efficient code, enhancing the overall performance of the codebase.