qtnfmac: remove meaningless labels

some function's label meaningless, the return statement follows
the goto statement, so just remove it.

Signed-off-by: wengjianfeng <wengjianfeng@yulong.com>
Reviewed-by: Sergey Matyukevich <geomatsi@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210223065754.34392-1-samirweng1979@163.com