Merge branch 'tippy-prune' into staging

www/drive/inner.js

@@ -188,7 +188,6 @@ define([
                 common.createUsageBar(null, function (err, $limitContainer) {
                     if (err) { return void DriveUI.logError(err); }
                     APP.$limit = $limitContainer;
-                    $limitContainer.attr('title', Messages.drive_quota);
                 }, true);
             }