ifnet: Don't include ethernet.h twice

gmshake · gmshake · commit 393356f25fb8 · 2025-08-28T12:29:06.000+08:00
MFC after:	3 days
diff --git a/sys/net/if.c b/sys/net/if.c
@@ -74,7 +74,6 @@
 #include <vm/uma.h>
 
 #include <net/bpf.h>
-#include <net/ethernet.h>
 #include <net/if.h>
 #include <net/if_arp.h>
 #include <net/if_clone.h>
