No longer try to auto-deploy to maven

.gitlab-ci.yml

@@ -24,15 +24,4 @@ verify: &verify
   stage: test
   script:
     - 'mvn $MAVEN_CLI_OPTS verify'
-  except:
-    - master
-  image: maven:3.3.9-jdk-8
-# For `master` branch run `mvn deploy` automatically.
-# Here you need to decide whether you want to use JDK7 or 8.
-deploy:
-  stage: deploy
-  script:
-    - 'mvn $MAVEN_CLI_OPTS deploy'
-  only:
-    - master
   image: maven:3.3.9-jdk-8