Bluetooth: Mesh: Remove unused code

The bt_mesh_trans_resend() function had no users, and had in fact not
even a prototype in a header file. Just remove it.

Signed-off-by: Johan Hedberg <[email protected]>

Author: Johan Hedberg

subsys/bluetooth/host/mesh/transport.c

@@ -524,25 +524,6 @@ int bt_mesh_trans_send(struct bt_mesh_net_tx *tx, struct net_buf_simple *msg,
 	return err;
 }
 
-int bt_mesh_trans_resend(struct bt_mesh_net_tx *tx, struct net_buf_simple *msg,
-			 const struct bt_mesh_send_cb *cb, void *cb_data)
-{
-	struct net_buf_simple_state state;
-	int err;
-
-	net_buf_simple_save(msg, &state);
-
-	if (tx->ctx->send_rel || msg->len > 15) {
-		err = send_seg(tx, msg, cb, cb_data);
-	} else {
-		err = send_unseg(tx, msg, cb, cb_data);
-	}
-
-	net_buf_simple_restore(msg, &state);
-
-	return err;
-}
-
 static void update_rpl(struct bt_mesh_rpl *rpl, struct bt_mesh_net_rx *rx)
 {
 	rpl->src = rx->ctx.addr;