staging: rtl8723au: Make direct calls to GetHalDefVar8192CUsb()

Remove another round of HAL wrapping, and remove unused
SetHalDefVar8192CUsb().

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/rtl8723au/core/rtw_mlme.c
Simple merge

diff --cc drivers/staging/rtl8723au/core/rtw_mlme_ext.c
Simple merge

diff --cc drivers/staging/rtl8723au/core/rtw_recv.c
Simple merge

diff --cc drivers/staging/rtl8723au/hal/hal_intf.c
Simple merge

diff --cc drivers/staging/rtl8723au/hal/usb_halinit.c
Simple merge

diff --cc drivers/staging/rtl8723au/include/hal_intf.h
Simple merge