remove artifacts

.github/workflows/artifacts.yaml

@@ -1,28 +0,0 @@
-name: Artifacts
-
-on:
-  push:
-    branches:
-      - master
-jobs:
-
-  publish-gcp:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout the code
-        uses: actions/checkout@v2
-
-      - name: Set up JDK
-        uses: actions/setup-java@v1
-        with:
-          java-version: 13
-      - name: Upload to Docker
-        uses: eskatos/gradle-command-action@v1
-        with:
-          arguments: jibBuildTar
-      - name: Docker image
-        uses: actions/upload-artifact@v3
-        with:
-          name: dshackle-docker-image
-          path: build/jib-image.tar