remove Circle CI, publish updates latest tag (#142)

Author: dulmandakh

.circleci/config.yml

@@ -24,17 +24,12 @@ jobs:
       - name: Prepare tags
         env:
           DOCKER_IMAGE: reactnativecommunity/react-native-android
-          STABLE_MAJOR: 1
         id: tags
         run: |
           VERSION=${GITHUB_REF#refs/tags/v}
           MAJOR=$(echo $VERSION | cut -d'.' -f 1)
-          TAGS="$DOCKER_IMAGE:$VERSION,$DOCKER_IMAGE:$MAJOR"
-          if [[ $MAJOR == $STABLE_MAJOR ]]; then
-            TAGS="$TAGS,$DOCKER_IMAGE:latest"
-          fi
+          TAGS="$DOCKER_IMAGE:$VERSION,$DOCKER_IMAGE:$MAJOR,$DOCKER_IMAGE:latest"
           echo ::set-output name=tags::${TAGS}
-
       - name: Build & publish to Docker Hub
         uses: docker/build-push-action@v2
         with: