igb: Remove goto The goto is a bit confusing as it changes the control flow only if L4 protocol is not recognized. It is also different from e1000e, and noisy when comparing e1000e and igb. Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> Reviewed-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech> Signed-off-by: Jason Wang <jasowang@redhat.com>