wlan: hdd: remove obsolete "CONFIG_CFG80211" featurization

cfg80211 interface support is must in newer version of Android
Therefore remove the conditional compilation since "CONFIG_CFG80211"
mode code must always be present.

Change-Id: I7683ba01302504871dc5f3cee0461fac7f7523e0
CRs-fixed: 459417
diff --git a/CORE/HDD/inc/wlan_hdd_assoc.h b/CORE/HDD/inc/wlan_hdd_assoc.h
index 2d491e3..c1d1b6d 100644
--- a/CORE/HDD/inc/wlan_hdd_assoc.h
+++ b/CORE/HDD/inc/wlan_hdd_assoc.h
@@ -40,7 +40,7 @@
  */
 
 #if !defined( HDD_CONNECTION_H__ ) 
-#define HDD_CONNECTION_H__ 
+#define HDD_CONNECTION_H__
 #include <wlan_hdd_mib.h>
 #define HDD_MAX_NUM_IBSS_STA ( 9 )
 #ifdef FEATURE_WLAN_TDLS
@@ -117,9 +117,7 @@
 typedef struct hdd_context_s hdd_context_t;
 typedef struct hdd_station_ctx hdd_station_ctx_t;
 typedef struct hdd_ap_ctx_s  hdd_ap_ctx_t;
-#ifdef CONFIG_CFG80211   
 typedef struct hdd_mon_ctx_s  hdd_mon_ctx_t;
-#endif
 
 
 extern v_BOOL_t hdd_connIsConnected( hdd_station_ctx_t *pHddStaCtx );