We don't set `if_watchdog' so any logic around `if_timer' is useless.

Index: sys/dev/ic/bcmgenet.c
===================================================================
RCS file: /cvs/src/sys/dev/ic/bcmgenet.c,v
retrieving revision 1.8
diff -u -p -r1.8 bcmgenet.c
--- sys/dev/ic/bcmgenet.c	5 Nov 2024 18:58:59 -0000	1.8
+++ sys/dev/ic/bcmgenet.c	2 Jan 2026 16:35:45 -0000
@@ -656,7 +656,6 @@ genet_stop(struct genet_softc *sc)
 
 	ifp->if_flags &= ~IFF_RUNNING;
 	ifq_clr_oactive(&ifp->if_snd);
-	ifp->if_timer = 0;
 
 	intr_barrier(sc->sc_ih);
 
@@ -773,9 +772,6 @@ genet_txintr(struct genet_softc *sc, int
 		--sc->sc_tx.queued;
 	}
 
-	if (sc->sc_tx.queued == 0)
-		ifp->if_timer = 0;
-
 	if (sc->sc_tx.cidx != cidx) {
 		sc->sc_tx.next = i;
 		sc->sc_tx.cidx = cidx;
@@ -828,10 +824,8 @@ genet_start(struct ifnet *ifp)
 		cnt++;
 	}
 
-	if (cnt != 0) {
+	if (cnt != 0)
 		WR4(sc, GENET_TX_DMA_PROD_INDEX(qid), sc->sc_tx.pidx);
-		ifp->if_timer = 5;
-	}
 }
 
 int