Revert "SystemUI: Forward port Statusbar Clock and Date actions"

This reverts commit 8d6125c0badfbd75f5dd71863aad7e688e849e8d.

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/Clock.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/DateView.java