don't leak docker password

Author: normanrz

.circleci/config.yml

@@ -59,7 +59,6 @@ jobs:
       - run:
           name: Push to DockerHub
           command: |
-            set -x
             docker login -u $DOCKER_USER -p $DOCKER_PASS
             docker push scalableminds/fossildb:${CIRCLE_BRANCH}__${COMMON_BUILD_NUM}
             docker push scalableminds/fossildb:${CIRCLE_BRANCH}
@@ -83,7 +82,6 @@ jobs:
       - run:
           name: Push to DockerHub
           command: |
-            set -x
             docker login -u $DOCKER_USER -p $DOCKER_PASS
             docker push scalableminds/fossildb-client:${CIRCLE_BRANCH}__${COMMON_BUILD_NUM}
             docker push scalableminds/fossildb-client:${CIRCLE_BRANCH}
@@ -99,7 +97,6 @@ jobs:
       - run:
           name: Pull from DockerHub
           command: |
-            set -x
             docker login -u $DOCKER_USER -p $DOCKER_PASS
             docker pull scalableminds/fossildb:${CIRCLE_BRANCH}__${COMMON_BUILD_NUM}
             docker pull scalableminds/fossildb-client:${CIRCLE_BRANCH}__${COMMON_BUILD_NUM}