ci: Disable semantic-release for release candidate

Author: lpatino10

.travis.yml

@@ -51,12 +51,12 @@ script:
 after_success:
 - bash <(curl -s https://codecov.io/bash)
 deploy:
-- provider: script
-  skip_cleanup: true
-  script: "semantic-release"
-  on:
-    branch: master
-    jdk: openjdk7
+#- provider: script
+  #skip_cleanup: true
+  #script: "semantic-release"
+  #on:
+    #branch: master
+    #jdk: openjdk7
 - provider: script
   script: ".utility/push-javadoc-to-gh-pages.sh"
   skip_cleanup: true