remove GPL headers and debian directory

src/mass-apparent.cpp

src/matrix-inertia.cpp

src/python-module-py.cpp

src/sot-dynamic-pinocchio.cpp

src/waist-attitude-from-sensor.cpp

src/zmp-from-forces.cpp

src/zmpreffromcom.cpp

unitTesting/CMakeLists.txt

unitTesting/dummy.cpp

unitTesting/python/feet_follower.py

unitTesting/python/humanoid_robot.py

unitTesting/python/reach_both_hands.py

unitTesting/python/reach_left_hand.py

unitTesting/python/reach_right_hand.py

unitTesting/test_djj.cpp

unitTesting/test_dyn.cpp

unitTesting/test_results.cpp