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

Change-Id: I73d854ed5cfb57fa19e4b5554bb10cb2e1ce9b65

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/Clock.java
Bring back two-line layout for status bar date.

Change-Id: I4bf7ce61b22da89b3b8c1a3f00e077461061f7b9
fix rounding issues and take density into account