Remove unused function ether_cmp() from smc91cxx.c

[Tom Cosgrove]

Index: sys/dev/ic/smc91cxx.c
===================================================================
RCS file: /home/OpenBSD/cvs/src/sys/dev/ic/smc91cxx.c,v
retrieving revision 1.47
diff -u -p -r1.47 smc91cxx.c
--- sys/dev/ic/smc91cxx.c       13 Apr 2016 10:49:26 -0000      1.47
+++ sys/dev/ic/smc91cxx.c       12 Jul 2016 14:32:13 -0000
@@ -181,18 +181,6 @@ void       smc91cxx_resume(struct smc91cxx_sof
 void   smc91cxx_watchdog(struct ifnet *);
 int    smc91cxx_ioctl(struct ifnet *, u_long, caddr_t);
 
-static __inline int ether_cmp(void *, void *);
-static __inline int
-ether_cmp(va, vb)
-       void *va, *vb;
-{
-       u_int8_t *a = va;
-       u_int8_t *b = vb;
-
-       return ((a[5] != b[5]) || (a[4] != b[4]) || (a[3] != b[3]) ||
-               (a[2] != b[2]) || (a[1] != b[1]) || (a[0] != b[0]));
-}
-
 void
 smc91cxx_attach(sc, myea)
        struct smc91cxx_softc *sc;