staging: r8188eu: remove unused macro READ_AND_CONFIG_TC

The macro READ_AND_CONFIG_TC is not used, remove it.
Found with GCC -Wunused-macros.
Acked-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210909110517.15243-1-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/odm_HWConfig.c

@@ -6,7 +6,6 @@
 #define READ_AND_CONFIG     READ_AND_CONFIG_MP
 
 #define READ_AND_CONFIG_MP(ic, txt) (ODM_ReadAndConfig##txt##ic(dm_odm))
-#define READ_AND_CONFIG_TC(ic, txt) (ODM_ReadAndConfig_TC##txt##ic(dm_odm))
 
 static u8 odm_QueryRxPwrPercentage(s8 AntPower)
 {