refactor: remove ntfy workflow

.github/workflows/ntfy.yaml

@@ -1,29 +0,0 @@
-name: Deployment Notifications
-on: [deployment_status]
-
-jobs:
-  notify:
-    if: always()
-    runs-on: ubuntu-latest
-    steps:
-      - name: Notify on Success
-        if: github.event.deployment_status.state == 'success'
-        run: |
-          curl \
-            -H "Authorization: Bearer ${{ secrets.NTFY_TOKEN }}" \
-            -H "Title: blockmatic deployment succeeded" \
-            -H "Priority: low" \
-            -H "Tags: white_check_mark" \
-            -d $'Commit: ${{ github.event.head_commit.message }}\nHash: ${{ github.sha }}' \
-            ${{ secrets.NTFY_URL }}
-
-      - name: Notify on Failure
-        if: github.event.deployment_status.state == 'failure'
-        run: |
-          curl \
-            -H "Authorization: Bearer ${{ secrets.NTFY_TOKEN }}" \
-            -H "Title: blockmatic deployment failed" \
-            -H "Priority: max" \
-            -H "Tags: x" \
-            -d $'Commit: ${{ github.event.head_commit.message }}\nHash: ${{ github.sha }}' \
-            ${{ secrets.NTFY_URL }}