Remove vitest

.github/workflows/quality.yml

@@ -73,26 +73,6 @@ jobs:
 
       - name: Run Prettier
         run: npm run prettier:check
-
-  run-vitest:
-    name: Run vitest
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out Git repository
-        uses: actions/checkout@v4
-
-      - name: Setup node environment
-        uses: actions/setup-node@v3
-        with:
-          node-version: 20
-          check-latest: true
-          cache: npm
-
-      - name: Install Node.js dependencies
-        run: npm ci --no-audit
-
-      - name: Run test suite
-        run: npm run test
 
   run-stylelint-css:
     name: Run stylelint (css)