Revert "Got arcball working. Near the edges there is more velocity and when you go off the ball it zooms around which needs to be fixed"

This reverts commit 6d2ce09a5c9ea617ba199ce0022607c7d476df13.

Conflicts:

	src/wrench/gl/utils/Arcball.cpp
	src/wrench/gl/utils/Arcball.h