Remove return added accidentally in mt76x0_mac_set_ampdu_factor.
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Fixes: a7744349 ("mt76x0: mac files")
Signed-off-by: NStanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>