qcacmn: Clean up CONFIG_MCL for MGMT_DESC_POOL_MAX

Clean up CONFIG_MCL and add MGMT_DESC_POOL_MAX in the
default_defconfig file.

Change-Id: Id22787b99363bb14f842a79fde60d3ce22480035
CRs-Fixed: 2495580
diff --git a/umac/cmn_services/mgmt_txrx/dispatcher/inc/wlan_mgmt_txrx_utils_api.h b/umac/cmn_services/mgmt_txrx/dispatcher/inc/wlan_mgmt_txrx_utils_api.h
index 8737a01..622a263 100644
--- a/umac/cmn_services/mgmt_txrx/dispatcher/inc/wlan_mgmt_txrx_utils_api.h
+++ b/umac/cmn_services/mgmt_txrx/dispatcher/inc/wlan_mgmt_txrx_utils_api.h
@@ -30,18 +30,6 @@
 #include "wlan_objmgr_cmn.h"
 #include "qdf_nbuf.h"
 
-#ifdef CONFIG_MCL
-#define MGMT_DESC_POOL_MAX 64
-#else
-#ifdef QCA_LOWMEM_CONFIG
-#define MGMT_DESC_POOL_MAX 256
-#elif defined QCA_512M_CONFIG
-#define MGMT_DESC_POOL_MAX 384
-#else
-#define MGMT_DESC_POOL_MAX 512
-#endif
-#endif
-
 #define mgmt_txrx_alert(params...) \
 	QDF_TRACE_FATAL(QDF_MODULE_ID_MGMT_TXRX, params)
 #define mgmt_txrx_err(params...) \