Dropped moveit_task_constructor/.repos (#572)

Author: rhaschke

doc/tutorials/pick_and_place_with_moveit_task_constructor/pick_and_place_with_moveit_task_constructor.rst

@@ -60,7 +60,6 @@ Move into your colcon workspace and pull the MoveIt Task Constructor source: ::
 
     cd ~/ws_moveit/src
     git clone [email protected]:ros-planning/moveit_task_constructor.git -b ros2
-    vcs import < moveit_task_constructor/.repos
 
 3 Trying It Out
 ------------------