staging: rtl8723bs: remove unused RF_*T*R enum

remove unused RF_*T*R enum, for rtl8723bs is
only capable of 1T1R rf path so selection is not needed.
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/2f2f185a80fbec71af4a165180ed0156d194c96e.1628329348.git.fabioaiuto83@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/include/rtw_rf.h

@@ -97,16 +97,6 @@ enum {
 	HT_DATA_SC_20_LOWER_OF_40MHZ = 2,
 };
 
-/* 2007/11/15 MH Define different RF type. */
-enum {
-	RF_1T2R = 0,
-	RF_2T4R = 1,
-	RF_2T2R = 2,
-	RF_1T1R = 3,
-	RF_2T2R_GREEN = 4,
-	RF_MAX_TYPE = 5,
-};
-
 u32 rtw_ch2freq(u32 ch);
 
 #endif /* _RTL8711_RF_H_ */