sync: remove stale build.yaml

.forgejo/workflows/build.yaml

@@ -1,34 +0,0 @@
-name: Build and Push Continuwuity
-
-on:
-  workflow_dispatch:
-  repository_dispatch:
-    types: [continuwuity-push]
-
-jobs:
-  build-and-push:
-    runs-on: ubuntu-latest
-    container:
-      image: docker:cli
-    steps:
-      - name: Install git
-        run: apk add --no-cache git
-
-      - name: Checkout Continuwuity
-        run: |
-          REF=${{ github.event.client_payload.ref || 'deployment' }}
-          git clone --depth 1 --branch "${REF##refs/heads/}" \
-            http://forgejo.tooling.svc.cluster.local:3000/ember/continuwuity.git .
-
-      - name: Build container image
-        run: |
-          SHA=${{ github.event.client_payload.sha || 'latest' }}
-          docker build -t 10.70.69.22:30500/ember/continuwuity:latest \
-                       -t 10.70.69.22:30500/ember/continuwuity:${SHA} \
-                       -f docker/Dockerfile .
-
-      - name: Push to Zot
-        run: |
-          SHA=${{ github.event.client_payload.sha || 'latest' }}
-          docker push 10.70.69.22:30500/ember/continuwuity:latest
-          docker push 10.70.69.22:30500/ember/continuwuity:${SHA}