Fix the ribbon duplication issue.
The ribbons were instantiated once in BaseStatusBar and once in PhoneStatusBar. Mend that by removing ribbons from BaseStatusBar, just like it's done in AOKP.

Change-Id: I77280ede4884d68acf8058a913e47a7e3ab55f77

Conflicts:

	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java