Removet custom carrier [Working on new method without using Mokee stuff]

This reverts commit 6ddece917d985d82d702c7e71acc2dcb842bbc26.

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUIExt/res/values/styles.xml
	packages/SystemUIExt/src/com/android/systemui/statusbar/widget/CarrierLabel.java
	packages/SystemUIExt/src/com/android/systemui/utils/SpnOverride.java

Change-Id: Iff53daa336856edc2ad998563746c6bbc1d37103