Tooltip: Clear interval for delayed tracking tooltips on remove

This is needed in the case that the tooltip is removed before it gets shown. Fixes #15099 Closes jquerygh-1768

Author: pallxk

ui/widgets/tooltip.js

@@ -452,6 +452,10 @@ $.widget( "ui.tooltip", {
 },
 
 _removeTooltip: function( tooltip ) {
+
+// Clear the interval for delayed tracking tooltips
+clearInterval( this.delayedShow );
+
 tooltip.remove();
 delete this.tooltips[ tooltip.attr( "id" ) ];
 },