staging: rtl8723bs: hal: Replace function _InitQueuePriority()

Remove function _InitQueuePriority as all it does it call
_InitNormalChipQueuePriority.
Rename _InitNormalChipQueuePriority to _InitQueuePriority for
compatibility with call site.
Issue found with Coccinelle.

Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>