move injection of avoidance setpoints to flight task library

...s/tasks/AutoLineSmoothVel/FlightTaskAutoLineSmoothVel.cpp

...b/FlightTasks/tasks/AutoMapper2/FlightTaskAutoMapper2.cpp

...b/FlightTasks/tasks/AutoMapper2/FlightTaskAutoMapper2.hpp

src/lib/FlightTasks/tasks/Utility/CMakeLists.txt

src/lib/FlightTasks/tasks/Utility/ObstacleAvoidance.cpp

src/lib/FlightTasks/tasks/Utility/ObstacleAvoidance.hpp

src/modules/mc_pos_control/mc_pos_control_main.cpp