staging: HalBtc8723b2Ant: remove useless typedef's

This commit fixes the following checkpatch.pl warnings:

    WARNING: do not add new typedefs
    #19: FILE: hal/HalBtc8723b2Ant.h:19:
    +typedef enum _BT_INFO_SRC_8723B_2ANT {

    WARNING: do not add new typedefs
    #26: FILE: hal/HalBtc8723b2Ant.h:26:
    +typedef enum _BT_8723B_2ANT_BT_STATUS {

    WARNING: do not add new typedefs
    #36: FILE: hal/HalBtc8723b2Ant.h:36:
    +typedef enum _BT_8723B_2ANT_COEX_ALGO {

    WARNING: do not add new typedefs
    #51: FILE: hal/HalBtc8723b2Ant.h:51:
    +typedef struct _COEX_DM_8723B_2ANT {

    WARNING: do not add new typedefs
    #104: FILE: hal/HalBtc8723b2Ant.h:104:
    +typedef struct _COEX_STA_8723B_2ANT {

Signed-off-by: Marco Cesati <marco.cesati@gmail.com>
Link: https://lore.kernel.org/r/20210305101151.13137-1-marco.cesati@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>