Revert "Add Center Clock-Framework Part"

This reverts commit 2078cb327d6c1810bbf3a67eb1f1c0c523a6ee20.

Conflicts:
	packages/SystemUI/res/layout/status_bar_expanded_header.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
Revert "Status bar clock"

This reverts commit e914df66f034a2562b63695b713d60aade6b002f.

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/Clock.java
Statusbar clock and date customizations

Some things changed on kitkat + our old code needed in general a bit
rework. All done with this patchset.

This commit add support for:

- Clock and date enable/disable
- Clock and date position
- AM/PM styles multilang support
- color
- Date format
- Date style
Revert "fix cherry-pick derp for center clock"

This reverts commit 1777405159a0067b158c2f95844c2b77548da391.

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
Revert "Base: fix icon overflowing with centre clock"

This reverts commit 8bd7ac6dd130c9e9829d2e0165ddccb7defefdfe.