Removed some steps from ci.yml

Signed-off-by: Roman Bylbas <romka.bulbas@gmail.com>

Author: Roman Bylbas

.github/workflows/ci.yml

@@ -22,18 +22,6 @@ jobs:
 
       - uses: actions/checkout@v3
 
-      - name: Validate composer.json and composer.lock
-        run: composer validate --strict
-
-      - name: Cache Composer packages
-        id: composer-cache
-        uses: actions/cache@v3
-        with:
-          path: vendor
-          key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-php-
-
       - name: Install dependencies
         run: composer install --prefer-dist --no-progress