staging: rtl8723bs: hal: rtl8723b_cmd: remove set but unused variable

Remove set but unsed variable pHalData in rtl8723b_set_FwRsvdPagePkt
function

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