cleanup(.github): remove builder bumper job

Signed-off-by: Jason Dellaluce <jasondellaluce@gmail.com>

.github/workflows/images_bumper.yml

@@ -1,52 +0,0 @@
-name: Builder Image Bumper
-
-on:
-  push:
-    branches: [master]
-
-jobs:
-  paths-filter:
-    runs-on: ubuntu-latest
-    outputs:
-      builder_changed: ${{ steps.filter.outputs.builder }}
-    steps:
-    - uses: actions/checkout@v2
-    - uses: dorny/paths-filter@v2
-      id: filter
-      with:
-        filters: |
-          builder:
-            - 'docker/builder/**'
-
-  update-builder-images:
-    runs-on: ubuntu-22.04
-    needs: paths-filter
-    if: needs.paths-filter.outputs.builder_changed == 'true'
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - name: Login to Docker Hub
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKERHUB_USER }}
-          password: ${{ secrets.DOCKERHUB_SECRET }}
-          
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-        with:
-          platforms: 'amd64,arm64'
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      
-      - name: Build and push new builder image
-        if: needs.paths-filter.outputs.builder_changed == 'true'
-        uses: docker/build-push-action@v3
-        with:
-          context: docker/builder
-          platforms: linux/amd64,linux/arm64
-          tags: latest
-          push: true