Bug 862353: Remove unnecessary code checking for mozSettings twice in Geolocation tests. r=reuben

dom/tests/mochitest/geolocation/geolocation_common.js

@@ -99,11 +99,6 @@ function check_geolocation(location) {
 
 function toggleGeolocationSetting(value, callback) {
   var mozSettings = window.navigator.mozSettings;
-  if (!mozSettings) {
-    addLoadEvent(toggleGeolocationSetting.bind(null, value, callback));
-    return;
-  }
-
   var lock = mozSettings.createLock();
 
   var geoenabled = {"geolocation.enabled": value};