NEX-4233 remove unnecessary libdladm header includes
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
Reviewed by: Steve Peng <steve.peng@nexenta.com>

@@ -19,17 +19,17 @@
  * CDDL HEADER END
  */
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
  */
 
 #ifndef _LIBDLSIM_H
 #define _LIBDLSIM_H
 
 #include <sys/mac.h>
-#include <libdladm_impl.h>
 #include <net/simnet.h>
 
 #ifdef  __cplusplus
 extern "C" {
 #endif