Deleted firebase workflow

.github/workflows/firebase-hosting-pull-request.yml

@@ -1,17 +0,0 @@
-# This file was auto-generated by the Firebase CLI
-# https://github.com/firebase/firebase-tools
-
-name: Deploy to Firebase Hosting on PR
-'on': pull_request
-jobs:
-  build_and_preview:
-    if: '${{ github.event.pull_request.head.repo.full_name == github.repository }}'
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - run: npm ci && npm run build
-      - uses: FirebaseExtended/action-hosting-deploy@v0
-        with:
-          repoToken: '${{ secrets.GITHUB_TOKEN }}'
-          firebaseServiceAccount: '${{ secrets.FIREBASE_SERVICE_ACCOUNT_LEARBDB_CMUQ }}'
-          projectId: learbdb-cmuq