Remove dockerhub automation. (#18)

Author: mwz

.circleci/config.yml

@@ -64,27 +64,6 @@ jobs:
             ./release-lts.sh
             git tag -a $VERSION -m "Release $VERSION."
             git push --tags
-  update-dockerhub-readme:
-    docker:
-      - image: circleci/openjdk:8-jdk
-    steps:
-      - checkout
-      - run:
-          name: Update Dockerhub readme
-          command: |
-            sudo apt-get update && sudo apt-get install -y jq
-            LOGIN_BODY="{\"username\": \"${DOCKER_USER}\", \"password\": \"${DOCKER_PASS}\"}"
-            TOKEN=$(curl -s \
-              -H "Content-Type: application/json" \
-              -X POST \
-              -d "${LOGIN_BODY}" \
-              https://hub.docker.com/v2/users/login | jq -r .token)
-            curl -s --show-error --fail \
-              --write-out "%{response_code}" \
-              --output /dev/null \
-              -H "Authorization: JWT ${TOKEN}" \
-              -X PATCH --data-urlencode "full_description@README_DOCKERHUB.md" \
-              https://cloud.docker.com/v2/repositories/mwizner/sonarqube-scala-plugins/
 workflows:
   version: 2
   pr-build:
@@ -106,12 +85,6 @@ workflows:
           filters:
             branches:
               only: master
-      - update-dockerhub-readme:
-          requires:
-            - release
-          filters:
-            branches:
-              only: master
       - hold-lts:
           type: approval
           filters:
@@ -123,9 +96,3 @@ workflows:
           filters:
             branches:
               only: master
-      - update-dockerhub-readme:
-          requires:
-            - release-lts
-          filters:
-            branches:
-              only: master