remove the usual 'upload' tooltip from avatars upload buttons

www/profile/inner.js

@@ -376,6 +376,7 @@ define([
             todo();
         });
         var $upButton = common.createButton('upload', false, data);
+        $upButton.removeProp('title');
         $upButton.text(Messages.profile_upload);
         $upButton.prepend($('<span>', {'class': 'fa fa-upload'}));
         $block.append($upButton);

www/teams/inner.js

@@ -987,6 +987,7 @@ define([
             });
         });
         var $upButton = common.createButton('upload', false, data);
+        $upButton.removeProp('title');
         $upButton.text(Messages.profile_upload);
         $upButton.prepend($('<span>', {'class': 'fa fa-upload'}));