rm unused forgejo workflow

.forgejo/workflows/compress-assets.yaml.disabled

@@ -1,27 +0,0 @@
-name: Compress assets
-
-on:
-  push:
-    branches:
-      - v2
-  pull_request:
-    branches:
-      - v2
-
-jobs:
-  compress-assets:
-    runs-on: docker
-    container:
-      image: node
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Install Leanify
-        run: |
-          curl -L https://files.perennialte.ch/leanify -o leanify
-          chmod +x ./leanify
-          mv ./leanify /usr/local/bin
-
-      - name: Compress assets
-        run: leanify -p ./assets/img