remove file-based workflow — user has UI-configured workflow

.gitea/workflows/build.yml

@@ -1,46 +0,0 @@
-name: Build and Push
-on:
-  push:
-    branches: [main]
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: docker/setup-buildx-action@v3
-      - name: Set lowercase repo path
-        run: echo "REPO_LC=$(echo '${{ gitea.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
-      - name: Login to Gitea Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: gitea.kansaigaijin.com
-          username: ${{ gitea.actor }}
-          password: ${{ secrets.docker_builder }}
-
-      - name: Build and push whisperx-base
-        uses: docker/build-push-action@v5
-        with:
-          context: ./backend
-          file: ./backend/Dockerfile.deps
-          push: true
-          tags: gitea.kansaigaijin.com/${{ env.REPO_LC }}/whisperx-base:latest
-          cache-from: type=registry,ref=gitea.kansaigaijin.com/${{ env.REPO_LC }}/whisperx-base:cache
-          cache-to: type=registry,ref=gitea.kansaigaijin.com/${{ env.REPO_LC }}/whisperx-base:cache,mode=max
-
-      - name: Build and push backend
-        uses: docker/build-push-action@v5
-        with:
-          context: ./backend
-          push: true
-          tags: gitea.kansaigaijin.com/${{ env.REPO_LC }}/backend:latest
-          build-args: |
-            BASE_IMAGE=gitea.kansaigaijin.com/${{ env.REPO_LC }}/whisperx-base:latest
-          cache-from: type=registry,ref=gitea.kansaigaijin.com/${{ env.REPO_LC }}/backend:cache
-          cache-to: type=registry,ref=gitea.kansaigaijin.com/${{ env.REPO_LC }}/backend:cache,mode=max
-
-      - name: Build and push frontend
-        uses: docker/build-push-action@v5
-        with:
-          context: ./frontend
-          push: true
-          tags: gitea.kansaigaijin.com/${{ env.REPO_LC }}/frontend:latest