staging: rtl8723bs: remove useless typedef's in HalPhyRf.h

staging: rtl8723bs: remove useless typedef's in HalPhyRf.h

This commit fixes the following checkpatch.pl warnings:

    WARNING: do not add new typedefs
    #11: FILE: hal/HalPhyRf.h:11:
    +typedef enum _SPUR_CAL_METHOD {

    WARNING: do not add new typedefs
    #16: FILE: hal/HalPhyRf.h:16:
    +typedef enum _PWRTRACK_CONTROL_METHOD {

    WARNING: do not add new typedefs
    #27: FILE: hal/HalPhyRf.h:27:
    +typedef struct _TXPWRTRACK_CFG {

Signed-off-by: Marco Cesati <marco.cesati@gmail.com>
Link: https://lore.kernel.org/r/20210305144906.18850-1-marco.cesati@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>