remove broken pull-upstream pipeline

.forgejo/workflows/pull-upstream.yaml

@@ -1,25 +0,0 @@
-# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
-name: Pull upstream commits
-
-on:
-  schedule:
-    - cron: "0 0 * * *"
-
-jobs:
-  sync_upstream:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout target repo
-        uses: https://code.forgejo.org/actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
-
-      - name: Pull upstream repo
-        uses: https://github.com/aormsby/Fork-Sync-With-Upstream-action@1090e365224fc834e7e1de521c417ded2d6fcb53 # v3.4.1
-        with:
-          target_sync_branch: master
-          target_repo_token: ${{ secrets.GITHUB_TOKEN }}
-          upstream_sync_branch: master
-          upstream_sync_repo: void-linux/void-packages
-          upstream_repo_access_token: ${{ secrets.API_TOKEN_GITHUB }}
-
-      - name: Print status
-        run: echo ${{ steps.sync.outputs.has_new_commits }}