Revert "GestureAnywhere: make sure ga_gestures is world readable."

This reverts commit 4090bf7b3545c9530b3e2abd8c777a54bb96396d.
Revert "Gesture Anywhere: Add gesture anywhere feature into the ChaOS Lab [2/2]"

This reverts commit ac6a827a1373e4691c01ece951ec68147c960346.