[CI] Remove new steps for Symfony Flex & SYMFONY_REQUIRE

Author: Kocal

.github/workflows/ci.yml

@@ -19,9 +19,7 @@ jobs:
                     -   php: "8.2"
                     -   php: "8.3"
                     -   php: "8.4"
-                    -   php: "8.4"
-                        symfony-version: 8.0.x-dev
-                        composer-stability: dev
+                        composer-stability: beta
         steps:
             -   name: Checkout source
                 uses: actions/checkout@v4
@@ -30,18 +28,11 @@ jobs:
                 with:
                     php-version: ${{ matrix.php }}
                     ini-values: zend.assertions=1, error_reporting=-1, display_errors=On, log_errors_max_len=0
-            -   name: Install and configure Symfony Flex
-                if: matrix.symfony-version
-                run: |
-                    composer global require --no-progress --no-scripts --no-plugins symfony/flex
-                    composer global config --no-plugins allow-plugins.symfony/flex true
             -   name: Configure Composer minimum-stability
                 if: matrix.composer-stability
                 run: composer config minimum-stability ${{ matrix.composer-stability }}
             -   name: "Update composer dependencies"
                 run: composer update -o --no-interaction --no-progress ${{ matrix.COMPOSER_FLAGS }}
-                env:
-                    SYMFONY_REQUIRE: ${{ matrix.symfony-version }}
             -   name: Tests
                 env:
                     PHP_CS_FIXER_IGNORE_ENV: ${{ matrix.PHP_CS_FIXER_IGNORE_ENV }}