Revert adding setup-php

.github/workflows/ci.yml

@@ -23,15 +23,9 @@ jobs:
           php: 8.1
 
     steps:
-    - name: Setup PHP
-      uses: shivammathur/setup-php@v2
-      with:
-        php-version: '${{ matrix.php }}'
-
+    - uses: actions/checkout@v2
     - name: Install composer dependencies
-      uses: actions/checkout@v2
       run: composer require "illuminate/support:^${{ matrix.laravel }}.0"
-
     - name: Run tests
       run: vendor/bin/pest