Revert "sending ready:vis event when done (#12796)" (#12799)

This reverts commit dee4f7d.

This needs some more review, as in-tandem with the refresh PR, #12752, it may introduce some unwanted side-effects.

src/ui/public/visualize/visualize.js

@@ -128,8 +128,6 @@ uiModules
       $scope.$listen(timefilter, 'fetch', $scope.fetch);
       $scope.$on('renderComplete', () => {
         $el.trigger('renderComplete');
-        // dashboard still depends on this (not on render complete as reporting)
-        $scope.$root.$broadcast('ready:vis');
       });
 
       $scope.$on('$destroy', () => {