remove mirroring

.forgejo/workflows/forgejo-deb.yml

@@ -1,19 +1,5 @@
 on: [push, pull_request]
 jobs:
-  mirror:
-    runs-on: bookworm
-    if: github.event_name == 'push' && github.repository == 'forgejo-contrib/forgejo-deb'
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: "mirror repo: code.forgejo.org"
-        env:
-          FORGEJO_DEST: code.forgejo.org
-          FORGEJO_KEY: ${{ secrets.cfo_api_key }}
-        run: ./.action-forgejo-mirror.sh
-
   build-forgejo-deb:
     runs-on: bullseye
     steps: