Travis: travis_wait does not work with ROS-I tools (#98)

.travis.yml

@@ -9,8 +9,7 @@ env:
     - UPSTREAM_WORKSPACE=file
   matrix:
     - ROS_DISTRO="kinetic" ROS_REPOSITORY_PATH=http://packages.ros.org/ros/ubuntu
-# see: https://docs.travis-ci.com/user/common-build-problems/#My-builds-are-timing-out
-install: travis_wait mvn install    # suggested timeout workaround
+install:
   - git clone https://github.com/ros-industrial/industrial_ci.git .ci_config
 script:
   - source .ci_config/travis.sh