Revert "add ci thirdparties"

This reverts commit 61222e0.

Author: estherag

.github/workflows/rolling.yaml

@@ -28,9 +28,8 @@ jobs:
       - name: build and test
         uses: ros-tooling/action-ros-ci@0.4.3
         with:
-          package-name: easynav_gridmap_maps_manager easynav_gridmap_astar_planner easynav_gridmap_rrtstar_planner
+          package-name: easynav_gridmap_maps_manager
           target-ros2-distro: rolling
-          vcs-repo-file-url: ${GITHUB_WORKSPACE}/.github/thirdparty.repos
           colcon-defaults: |
             {
               "test": {