remove python 2.6 override
remove python 2.6 override
georgepar/rosdep,spaghetti-/rosdep,wkentaro/rosdep,alessandro-aglietti/rosdep,sorki/rosdep,allenh1/rosdep,ros-infrastructure/rosdep,aymanim/rosdep,aymanim/rosdep,allenh1/rosdep,ros-infrastructure/rosdep,wkentaro/rosdep,sorki/rosdep,alessandro-aglietti/rosdep,spaghetti-/rosdep,georgepar/rosdep