Revert "Bug 986329 - Fix test_settings_XXX.py with JavascriptException: TypeError: window.wrappedJSObject.Settings is undefined"

This reverts commit fab38c4384733c3eed51ceaec2787c7d5962dcd3.
Bug 986329 - Fix test_settings_XXX.py with JavascriptException: TypeError: window.wrappedJSObject.Settings is undefined
Bug 975535 - [VsD Refresh] Update App Icons in Homescreen & Settings/App Permissions
Bug 988296 - imsSettings-header points to messageSettings, should be imsSettings ('Message settings' vs. 'IMS settings')
Bug 984604 - Running without --restart when FTU is open does not work
Bug 984399 - Contacts list is not properly updated when importing a new FB Friend
Bug 988362 - [STK]The maxlength of the inputbox didn't set corretly in GET_INPUT command. (Increment wait time)
Bug 930364 - standard text message sound is jarring
Bug 988079 - [Calendar] day view sometimes adds duplicated days to the DOM
Bug 980861 -[Cost Control] Alarm should be notified when user configures when use is above or when balance is below
Bug 969101: Initial implementation of a first-time use ping. r=fabrice
Bug 971554 - [System2] Instantiable SoundManager
 Bug 971459 - [System2] Instantiable Applications.
Bug 988261 - Hide utility tray on launchapp event
Bug 984265 - JSHint fixes for shared/js
Bug 963003 - Fix attention screen height on software home button shown
Bug 971512 - [System] Instantiable layout manager
Merge pull request #17578 from Rik/sms-sound-930364

Bug 930364 - standard text message sound is jarring r=julienw
Merge pull request #17641 from rexboy7/bug-971512-1.4

Bug 971512 - [System] Instantiable layout manager
Bug 971072 - [VDR] [BB] update modals with new Buttons BB