Staging: rtl8723bs: remove named enums in rtw_rf.h

Staging: rtl8723bs: remove named enums in rtw_rf.h

Remove the following unnecessary enum names or definitions in
include/rtw_rf.h:

	enum capability				[name]
	enum   _reg_preamble_mode		[name]
	enum _rtl8712_rf_mimo_config_		[definition]
	enum rf90_radio_path			[definition]
	enum vht_data_sc			[name]
	enum protection_mode			[definition]
	enum rt_rf_type_definition		[name]

Signed-off-by: Marco Cesati <marcocesati@gmail.com>
Link: https://lore.kernel.org/r/20210324124456.25221-22-marcocesati@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>