Autocomplete: Remove handling for NUMPAD_ENTER.

Author: scottgonzalez

ui/jquery.ui.autocomplete.js

@@ -103,7 +103,6 @@ $.widget( "ui.autocomplete", {
 					this._keyEvent( "next", event );
 					break;
 				case keyCode.ENTER:
-				case keyCode.NUMPAD_ENTER:
 					// when menu is open and has focus
 					if ( this.menu.active ) {
 						// #6055 - Opera still allows the keypress to occur