remove minlength from example.

Author: mrsweaters

example/index.html

@@ -190,8 +190,7 @@ <h5>Tribute on traditional form elements!</h5>
           }
 
           return "@" + item.original.value;
-        },
-        menuShowMinLength: 3
+        }
       });
 
       tribute.attach(document.getElementById("test"));