Remove pinning ros2_control to specific branch (#483)

Co-authored-by: Mads Holm Peters <[email protected]>

Author: fmauch

Universal_Robots_ROS2_Driver-not-released.humble.repos

@@ -1,5 +1,6 @@
+# The not-released files are meant to use upstream packages in binary form whenever possible.
+# Packages get added here, if they are not released at all or when the repo's current version
+# requires a newer version than the one currently released to the target distributions.
+# Once Upstream packages are released and synced to the target distributions in the required
+# version, the entry in this file shall be removed again.
 repositories:
-  ros2_controllers:
-    type: git
-    url: https://github.com/ros-controls/ros2_controllers
-    version: master

Universal_Robots_ROS2_Driver-not-released.rolling.repos

@@ -1,5 +1,6 @@
+# The not-released files are meant to use upstream packages in binary form whenever possible.
+# Packages get added here, if they are not released at all or when the repo's current version
+# requires a newer version than the one currently released to the target distributions.
+# Once Upstream packages are released and synced to the target distributions in the required
+# version, the entry in this file shall be removed again.
 repositories:
-  ros2_controllers:
-    type: git
-    url: https://github.com/ros-controls/ros2_controllers
-    version: master