Revert "Bug 987529 - part 2: Integrate refresh driver into vsync dispatcher"

This reverts commit 8e7500b006f6e88c791e0a97580cbfd71de521bd.

We want to handle the compositor and input dispatcher first.

Conflicts:

	b2g/app/b2g.js
	gfx/thebes/gfxPrefs.h
[SilkFramework] Bug 1048667 - vsync dispatch framework

Remove all vsync ipc and refresh driver related code.