Remove unused directive.

ilya-murzinov · ilya-murzinov · commit ac051f2e0019 · 2014-06-02T18:23:53.000+04:00
diff --git a/src/TestStack.White/UIItems/UIItem.cs b/src/TestStack.White/UIItems/UIItem.cs
@@ -20,7 +20,6 @@
 using TestStack.White.WindowsAPI;
 using Action = TestStack.White.UIItems.Actions.Action;
 using Point = System.Windows.Point;
-using System.Runtime.InteropServices;
 using System.Windows.Forms;
 
 namespace TestStack.White.UIItems
