net: lan966x: remove useless code in lan966x_xtr_irq_handler

'err' is useless after break, remove this to save space and
be more clear.

Signed-off-by: Su Hui <suhui@nfschina.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Su Hui 2023-10-20 17:16:26 +08:00 • committed by David S. Miller
commit 6e7ce2d71b