staging: rtl8723bs: remove unused _DBG_871X_LEVEL macro

remove unused _DBG_871X_LEVEL macro,
after DBG_871X_SEL deletion.
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/83ff6acd438ad2107a9a1c9446cabb22a6c77f0a.1619254603.git.fabioaiuto83@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/include/rtw_debug.h

@@ -144,18 +144,6 @@
 
 #if defined(_dbgdump)
 
-/* without driver-defined prefix */
-#undef _DBG_871X_LEVEL
-#define _DBG_871X_LEVEL(level, fmt, arg...)	   \
-	do {\
-		if (level <= GlobalDebugLevel) {\
-			if (level <= _drv_err_ && level > _drv_always_) \
-				_dbgdump("ERROR " fmt, ##arg);\
-			else \
-				_dbgdump(fmt, ##arg);\
-		} \
-	} while (0)
-
 #define RTW_DBGDUMP NULL /* 'stream' for _dbgdump */
 
 #endif /* defined(_dbgdump) */