Fix industrial CI (#60)

Author: bmagyar

.github/workflows/ci.yml

@@ -20,7 +20,6 @@ jobs:
     env:
       UPSTREAM_WORKSPACE: ros2_control_demos/ros2_control_demos.repos
     steps:
-      - run: sudo apt-get update -qq && sudo apt-get upgrade
       - uses: actions/checkout@v1
       - uses: 'ros-industrial/industrial_ci@master'
         env: ${{matrix.env}}