Tooltip: Removed logic for handling tracking tooltips which gain focu…

…s while open (we no longer mix events). Fixes #8799 - Tooltip: tracking fails on nested elements.

ui/jquery.ui.tooltip.js

@@ -138,20 +138,8 @@ $.widget( "ui.tooltip", {
 				// but always pointing at the same event target
 				.closest( this.options.items );
 
-		// No element to show a tooltip for
-		if ( !target.length ) {
-			return;
-		}
-
-		// If the tooltip is open and we're tracking then reposition the tooltip.
-		// This makes sure that a tracking tooltip doesn't obscure a focused element
-		// if the user was hovering when the element gained focused.
-		if ( this.options.track && target.data( "ui-tooltip-id" ) ) {
-			this._find( target ).position( $.extend({
-				of: target
-			}, this.options.position ) );
-			// Stop tracking (#8622)
-			this._off( this.document, "mousemove" );
+		// No element to show a tooltip for or the tooltip is already open
+		if ( !target.length || target.data( "ui-tooltip-id" ) ) {
 			return;
 		}