staging: rtl8723bs: remove unused debug variables declarations and initialization

remove unused debug variables extern declarations
and containing #ifndef block.

remove initialization as well.
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/d566a6eb49949c1c80df286056b9df6114c8cc97.1619254603.git.fabioaiuto83@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_debug.c

@@ -10,8 +10,6 @@
 #include <rtw_debug.h>
 #include <hal_btcoex.h>
 
-u32 GlobalDebugLevel = _drv_err_;
-
 #include <rtw_version.h>
 
 static void dump_4_regs(struct adapter *adapter, int offset)

drivers/staging/rtl8723bs/include/rtw_debug.h

@@ -131,11 +131,6 @@
 	#define	_MODULE_DEFINE_	_module_efuse_
 #endif
 
-#ifndef _RTL871X_DEBUG_C_
-	extern u32 GlobalDebugLevel;
-	extern u64 GlobalDebugComponents;
-#endif
-
 #define DRIVER_PREFIX "RTL8723BS: "
 
 void mac_reg_dump(struct adapter *adapter);