staging: rtl8723bs: hal: sdio_halinit: Remove set but unused varilable pHalData

Remove set but unsed variable pHalData in below functions
_InitOperationMode, SetHwReg8723BS.

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>