fix: changed call to pinv by lstsq

python/iLQR_bicopter.py

python/iLQR_bimanual.py

python/iLQR_bimanual_manipulability.py

python/iLQR_car.py

python/iLQR_distMaintenance.py

python/iLQR_manipulator.py

python/iLQR_manipulator_CP.py

python/iLQR_manipulator_CoM.py

python/iLQR_manipulator_boundary.py

python/iLQR_manipulator_dynamics.py

python/iLQR_manipulator_initStateOptim.py

python/iLQR_manipulator_object_affordance.py

python/iLQR_manipulator_obstacle.py

python/iLQR_obstacle.py

python/iLQR_spacetime.py