qcacld-3.0: Remove obsolete and duplicate macros

Remove obsolete and duplicate macros.

Change-Id: I19010da3b40af1e65ec9a9a5e1fc01ecac56b0df
CRs-Fixed: 898864
diff --git a/core/hdd/inc/wlan_hdd_wext.h b/core/hdd/inc/wlan_hdd_wext.h
index 0636c32..428e4f7 100644
--- a/core/hdd/inc/wlan_hdd_wext.h
+++ b/core/hdd/inc/wlan_hdd_wext.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2015 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2016 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -143,12 +143,6 @@
 /** Maximum Length of WPA/RSN IE */
 #define MAX_WPA_RSN_IE_LEN 40
 
-/** Maximum Number of WEP KEYS */
-#define MAX_WEP_KEYS 4
-
-/** Ether Address Length */
-#define ETHER_ADDR_LEN 6
-
 /** Enable 11d */
 #define ENABLE_11D  1