devfs: Remove "device not found" printout

OpenJDK looks up "/dev/urandom" at startup but works just fine without
it.  There's no need to display an error message in OSv if that happens.

Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

fs/devfs/devfs_vnops.cc

@@ -143,7 +143,6 @@ devfs_lookup(struct vnode *dvp, char *name, struct vnode **vpp)
 	for (;;) {
 		error = device_info(&info);
 		if (error) {
-			printf("device %s not found\n", name);
 			return ENOENT;
 		}
 		if (!strncmp(info.name, name, MAXDEVNAME))