iwlwifi: remove IWL_FW_DBG_DOMAIN macro

This is used to initialize the default value, but refers back
to the value itself, essentially leading to a
	val = val
assignment at init time ... that's useless, remove it and use
_NODEF.

Change-Id: I725923016563c34ce2fa057bf7c12984e1041c49
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/fw/runtime.h

@@ -69,8 +69,6 @@
 #include "iwl-eeprom-parse.h"
 #include "fw/acpi.h"
 
-#define IWL_FW_DBG_DOMAIN		IWL_TRANS_FW_DBG_DOMAIN(fwrt->trans)
-
 struct iwl_fw_runtime_ops {
 	int (*dump_start)(void *ctx);
 	void (*dump_end)(void *ctx);