qcacld-3.0: Remove obsolete bExplicitCfg bitmap

The bExplicitCfg bitmap in struct hdd_config was originally used to
track which INI items had been explicitly configured from the INI
file. But now that the INI processing is distributed this bitmap is no
longer used, so remove it.

Change-Id: I101ffa82b3309209cdc2eea954d1467b68b6138d
CRs-Fixed: 2496393

core/hdd/inc/wlan_hdd_cfg.h

@@ -47,9 +47,6 @@ struct hdd_context;
 #define FW_MODULE_LOG_LEVEL_STRING_LENGTH  (512)
 #define TX_SCHED_WRR_PARAMS_NUM            (5)
 
-/* Number of items that can be configured */
-#define MAX_CFG_INI_ITEMS   1024
-
 /* Defines for all of the things we read from the configuration (registry). */
 
 #ifdef CONFIG_DP_TRACE
@@ -103,9 +100,6 @@ struct hdd_context;
  */
 
 struct hdd_config {
-	/* Bitmap to track what is explicitly configured */
-	DECLARE_BITMAP(bExplicitCfg, MAX_CFG_INI_ITEMS);
-
 	/* Config parameters */
 	enum hdd_dot11_mode dot11Mode;