Remove code intended to be removed

.github/workflows/feature_branch_sync.yml

@@ -1,35 +0,0 @@
-name: Rebase release_4.6-next and stable-2.6
-
-on:
-  push:
-    branches:
-      - release_4.6
-  workflow_dispatch:
-    # Allows manual triggering of the workflow from the GitHub UI
-
-jobs:
-  rebase:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    steps:
-      - name: Checkout stable-2.6 branch
-        uses: actions/checkout@v4
-        with:
-          ref: stable-2.6
-          token: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Fetch release_4.6 branch for rebase
-        run: git fetch origin release_4.6:release_4.6
-
-      - name: Attempt Rebase release_4.6 into stable-2.6
-        id: rebase_attempt
-        run: |
-          git config user.name "GitHub Actions"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-          git checkout stable-2.6
-          git rebase release_4.6
-
-      - name: Force Push Rebased stable-2.6 Branch
-        run: |
-          git push --force origin stable-2.6