Attempt to fix failing travis build

Author: nihas101

.travis.yml

@@ -5,11 +5,6 @@ install: true
 
 sudo: false   # Linux OS: run in container
 
-addons:
-  apt:
-    packages:
-      - oracle-java8-installer
-
 before_install:
   - chmod +x gradlew
   - if [[ "${TRAVIS_OS_NAME}" == linux ]]; then export DISPLAY=:99.0; sh -e /etc/init.d/xvfb start; fi