Minor conflict in drivers/s390/net/qeth_l2_main.c, kept the lock
from commit c8183f54 ("s390/qeth: fix potential deadlock on
workqueue flush"), removed the code which was removed by commit
9897d583 ("s390/qeth: consolidate some duplicated HW cmd code").
Signed-off-by: NJakub Kicinski <jakub.kicinski@netronome.com>