Remove semi-binary builds for humble (#443)

Author: christophfroehlich

.github/workflows/humble-rhel-semi-binary-build.yml

@@ -14,7 +14,6 @@ on:
       - '**/package.xml'
       - '**/CMakeLists.txt'
       - '**.xml'
-      - 'realtime_tools.humble.repos'
   schedule:
     # Run every day to detect flakiness and broken dependencies
     - cron: '03 3 * * MON-FRI'
@@ -30,4 +29,3 @@ jobs:
     with:
       ros_distro: humble
       ref_for_scheduled_build: humble
-      upstream_workspace: realtime_tools.humble.repos