Delete .github/workflows/update-submodules.yml

delete as not used

.github/workflows/update-submodules.yml

@@ -1,27 +0,0 @@
-name: Update submodules
-
-on: workflow_dispatch
-
-jobs:
-
-  update-submodules:
-    runs-on: ubuntu-latest
-    steps:
-
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          token: ${{ secrets.PUSH_TOKEN }}
-
-      - name: Update submodules recursively
-        run: |
-          git submodule update --init --recursive
-          git submodule update --recursive --remote
-
-      - name: Commit & push changes
-        run: |
-          git config --global user.name 'github-actions[bot]'
-          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
-          git add --all
-          git commit -m 'Update submodules' || echo 'No changes to commit'
-          git push