Revert "Trying to configure CircleCI for continuous delivery on DockerHub"

This reverts commit 8d3fe8a6.

circle.yml

@@ -12,9 +12,10 @@ test:
     - ./tests/pre-test-run.sh
   override:
     - ./tests/test-run.sh
-deployment:
-   hub:
-     branch: master
-     commands:
-       - docker login -u $DOCKER_HUB_USER -p $DOCKER_HUB_PASS -e $DOCKER_HUB_EMAIL
-       - docker push --branch-tags=false --commit-tags=true
+# deployment:
+#   hub:
+#     branch: master
+#     commands:
+#       - docker login -u $DOCKER_HUB_USER -p $DOCKER_HUB_PASS -e $DOCKER_HUB_EMAIL
+#       - docker push --branch-tags=false --commit-tags=true
+#       - mvn sonar:sonar -Dsonar.login=$SONAR_KEY  # Need SonarQube back on a public URL