panel: remove unneeded options for tooltip

public/app/features/panel/panel_directive.ts

@@ -159,7 +159,6 @@ module.directive('grafanaPanel', function($rootScope, $document) {
             classes: ctrl.error ? 'drop-error' : 'drop-help',
             openOn: 'hover',
             hoverOpenDelay: 100,
-            remove: true,
             tetherOptions: {
               attachment: 'bottom left',
               targetAttachment: 'top left',
@@ -195,10 +194,6 @@ module.directive('grafanaPanel', function($rootScope, $document) {
         if (ctrl.skippedLastRefresh) {
           ctrl.refresh();
         }
-
-        if (infoDrop) {
-          infoDrop.position();
-        }
       };
 
       $document.on('scroll', refreshOnScroll);