net: Remove FLOWI_FLAG_CAN_SLEEP

FLOWI_FLAG_CAN_SLEEP was used to notify xfrm about the posibility
to sleep until the needed states are resolved. This code is gone,
so FLOWI_FLAG_CAN_SLEEP is not needed anymore.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c
index 19e3637..8b5134c 100644
--- a/net/ipv4/datagram.c
+++ b/net/ipv4/datagram.c
@@ -53,7 +53,7 @@
 	rt = ip_route_connect(fl4, usin->sin_addr.s_addr, saddr,
 			      RT_CONN_FLAGS(sk), oif,
 			      sk->sk_protocol,
-			      inet->inet_sport, usin->sin_port, sk, true);
+			      inet->inet_sport, usin->sin_port, sk);
 	if (IS_ERR(rt)) {
 		err = PTR_ERR(rt);
 		if (err == -ENETUNREACH)