Remove build_bench workflow

.github/workflows/build_bench.yml

@@ -1,44 +0,0 @@
-name: Build Bench
-
-on:
-  pull_request:
-    branches:
-      - main
-    paths:
-      - build/bench/**
-      - docker-bake.hcl
-
-  schedule:
-    # Every day at 12:00 pm
-    - cron: 0 0 * * *
-
-  workflow_dispatch:
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Setup Buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Build and test
-        uses: docker/bake-action@v1.6.0
-        with:
-          targets: bench-test
-
-      - name: Login
-        if: ${{ github.repository == 'frappe/frappe_docker' && github.event_name != 'pull_request' }}
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-      - name: Push
-        if: ${{ github.repository == 'frappe/frappe_docker' && github.event_name != 'pull_request' }}
-        uses: docker/bake-action@v1.6.0
-        with:
-          targets: bench
-          push: true