Revert "Cache Composer's cache directory"

This reverts commit 4f8fc4b.

Author: sebastianbergmann

.github/workflows/ci.yaml

@@ -45,17 +45,6 @@ jobs:
       - name: Ensure that composer.json is valid
         run: ./tools/composer validate --no-ansi --strict composer.json
 
-      - name: Get Composer cache directory
-        id: composer-cache
-        run: echo "dir=$(composer config cache-files-dir)" >> "$GITHUB_OUTPUT"
-
-      - name: Cache Composer cache directory
-        uses: actions/cache@v4
-        with:
-          path: ${{ steps.composer-cache.outputs.dir }}
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-          restore-keys: ${{ runner.os }}-composer-
-
       - name: Ensure that dependencies can be installed
         run: ./tools/composer install --no-ansi --dry-run
 
@@ -121,17 +110,6 @@ jobs:
           coverage: none
           tools: none
 
-      - name: Get Composer cache directory
-        id: composer-cache
-        run: echo "dir=$(composer config cache-files-dir)" >> "$GITHUB_OUTPUT"
-
-      - name: Cache Composer cache directory
-        uses: actions/cache@v4
-        with:
-          path: ${{ steps.composer-cache.outputs.dir }}
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-          restore-keys: ${{ runner.os }}-composer-
-
       - name: Install dependencies with Composer
         run: ./tools/composer install --no-interaction --no-ansi --no-progress
 
@@ -198,17 +176,6 @@ jobs:
           ini-values: ${{ env.PHP_INI_VALUES }}
           tools: none
 
-      - name: Get Composer cache directory
-        id: composer-cache
-        run: echo "dir=$(composer config cache-files-dir)" >> "$GITHUB_OUTPUT"
-
-      - name: Cache Composer cache directory
-        uses: actions/cache@v4
-        with:
-          path: ${{ steps.composer-cache.outputs.dir }}
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-          restore-keys: ${{ runner.os }}-composer-
-
       - name: Install dependencies with Composer
         run: php ./tools/composer install --no-ansi --no-interaction --no-progress
 
@@ -272,17 +239,6 @@ jobs:
           ini-values: ${{ env.PHP_INI_VALUES }}
           tools: none
 
-      - name: Get Composer cache directory
-        id: composer-cache
-        run: echo "dir=$(composer config cache-files-dir)" >> "$GITHUB_OUTPUT"
-
-      - name: Cache Composer cache directory
-        uses: actions/cache@v4
-        with:
-          path: ${{ steps.composer-cache.outputs.dir }}
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-          restore-keys: ${{ runner.os }}-composer-
-
       - name: Install dependencies with Composer
         run: php ./tools/composer install --no-ansi --no-interaction --no-progress
 
@@ -321,17 +277,6 @@ jobs:
           ini-values: assert.exception=1, zend.assertions=1, error_reporting=-1, log_errors_max_len=0, display_errors=On
           tools: none
 
-      - name: Get Composer cache directory
-        id: composer-cache
-        run: echo "dir=$(composer config cache-files-dir)" >> "$GITHUB_OUTPUT"
-
-      - name: Cache Composer cache directory
-        uses: actions/cache@v4
-        with:
-          path: ${{ steps.composer-cache.outputs.dir }}
-          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
-          restore-keys: ${{ runner.os }}-composer-
-
       - name: Install dependencies with Composer
         run: ./tools/composer install --no-ansi --no-interaction --no-progress