remove ros1 and the ros2 subfolder. Set it to ros2

src/dg_ros_mapping.hpp

src/dynamic_graph/ros/__init__.py

src/dynamic_graph/ros/dgcompleter.py

src/dynamic_graph/ros/ros.py

src/matrix_geometry.hpp

src/programs/geometric_simu.cpp

src/ros.cpp

src/ros_parameter.cpp

src/ros_publish-python-module-py.cc

src/ros_publish.cpp

src/ros_publish.hpp

src/ros_publish.hxx

src/ros_python_interpreter_client.cpp

src/ros_python_interpreter_server.cpp

src/ros_subscribe-python-module-py.cc

src/ros_subscribe.cpp

src/ros_subscribe.hpp

src/ros_subscribe.hxx

src/sot_loader.cpp

src/sot_loader_basic.cpp