Revert "SystemUI: add equalizer tile (1/2)"

This reverts commit 84e9cc472a373d00278c78bf9bdfaecf9d3c85a2.

Conflicts:
	core/java/com/android/internal/util/slim/QSConstants.java
	packages/SystemUI/res/values/slim_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java
Revert "QuickSettings : Add CpuFreq Tile (1/2)"

This reverts commit 3d1fbeb44f3cd0e61f3733f50d6733bbb3dcb1ce.

Conflicts:
	core/java/com/android/internal/util/slim/QSConstants.java
	packages/SystemUI/res/values/slim_strings.xml