Revert "fix"

This reverts commit 14244a4.

.github/workflows/phpcs_on_pull_request.yml

@@ -9,19 +9,6 @@ jobs:
       with:
         ref: ${{ github.event.pull_request.head.sha }}
 
-    # Setup PHP with the required version and add extensions if needed any for composer install.
-    # Ref: https://github.com/shivammathur/setup-php#heavy_plus_sign-php-extension-support
-    - name: Setup PHP
-      uses: shivammathur/setup-php@v2
-      with:
-        php-version: '8.0'
-        coverage: none
-        tools: composer
-
-    # Install composer dependencies in the workflow run.
-    - name: Composer install
-      run: composer install --no-dev --no-progress --no-interaction
-
     - name: Run PHPCS inspection with PHP 8.1
       uses: rtCamp/action-phpcs-code-review@master
       env: