Remove the duplicate header files from the top folder.

The header files are used from the /exports folder.
Changed the copyrights to Linux Foundation.

Conflicts:

	nss_core.h

Change-Id: I4cab2728e2221f7c709e44a30b1adb40c8897f18
Signed-off-by: Murat Sezgin <msezgin@codeaurora.org>
diff --git a/nss_tun6rd.c b/nss_tun6rd.c
index 23f8530..b4d83d0 100644
--- a/nss_tun6rd.c
+++ b/nss_tun6rd.c
@@ -1,9 +1,9 @@
 /*
- *  **************************************************************************
- * Copyright (c) 2014, Qualcomm Atheros, Inc.
+ **************************************************************************
+ * Copyright (c) 2014, The Linux Foundation. All rights reserved.
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
- * above copyright notice and this permission notice appear in all copies
+ * above copyright notice and this permission notice appear in all copies.
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
@@ -11,11 +11,10 @@
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- * *************************************************************************
+ **************************************************************************
  */
 
 #include "nss_tx_rx_common.h"
-#include "nss_api_if.h"
 
 /*
  * nss_tun6rd_handler()