Remove one-time v17.7.0 E2E workflow

.github/workflows/fix-e2e-v1770.yml

@@ -1,30 +0,0 @@
-name: Fix v17.7.0 E2E checks
-
-on:
-  push:
-    branches:
-      - feature/v17.7.0-architecture-foundation
-    paths:
-      - .github/workflows/fix-e2e-v1770.yml
-
-permissions:
-  contents: write
-
-jobs:
-  fix:
-    if: github.actor != 'github-actions[bot]'
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 22
-      - name: Stabilize E2E assertions
-        run: node .github/scripts/fix-e2e-v1770.mjs
-      - name: Commit
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git add tests/app.spec.mjs
-          git commit -m "Stabilize v17.7.0 E2E checks"
-          git push