Revert "Dynamic glowScale adjustment and spacing of NavBar."

This reverts commit a80d2ef73be7db1397103acdee827558023cfe6c.

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/NavigationBarView.java

Change-Id: If2aedf6f8d437810e310e03e143891ec7bce2efb
Derp

Change-Id: I8c76ba180d4e715f6ee92af503096c2bf006aaf7