staging: rtl8723bs: hal: remove redundant assignment to packetType

Local variable packetType is being assigned a value that is never
read just before a return statement. The assignment is redundant
and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190703081434.17489-1-colin.king@canonical.com


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