workflows: drop docker.yml

.github/workflows/docker.yml

@@ -1,36 +0,0 @@
-name: Docker image
-
-on:
-  pull_request: {}
-  push:
-    branches:
-      - master
-  release:
-    types:
-      - published
-
-concurrency:
-  group: docker-${{ github.event_name == 'push' && github.sha || github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  docker-release:
-    if: github.event_name == 'release'
-    concurrency: docker-release
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Docker image
-        uses: Icinga/docker-icinga2@master
-        with:
-          dockerhub-token: '${{ secrets.DOCKER_HUB_PERSONAL_TOKEN }}'
-
-  docker:
-    if: github.event_name != 'release'
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Docker image
-        uses: Icinga/docker-icinga2@master
-        with:
-          dockerhub-token: '${{ secrets.DOCKER_HUB_PERSONAL_TOKEN }}'