Remove one-time v17.6.6 patch workflow

.github/workflows/apply-v1766-offers.yml

@@ -1,31 +0,0 @@
-name: Apply Caterium v17.6.6 offer templates
-
-on:
-  push:
-    branches:
-      - feature/v17.6.6-offer-templates
-    paths:
-      - .github/workflows/apply-v1766-offers.yml
-
-permissions:
-  contents: write
-
-jobs:
-  patch:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 22
-      - name: Apply patch
-        run: |
-          sed -i 's/const decoEnd="  let maintainTimer=0;";/const decoEnd="  let autoTimer=0,maintainTimer=0;";/' .github/scripts/patch-v1766-offers2.mjs
-          node .github/scripts/patch-v1766-offers2.mjs
-      - name: Commit changes
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git add public package.json package-lock.json tests docs
-          git commit -m "Caterium v17.6.6 proposal templates and menu icon" || exit 0
-          git push