Remove xen-netfron patches as 4.14.79 has included them

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.79

patches/xen-netfront-Fix-mismatched-rtnl_unlock.patch

@@ -1,21 +0,0 @@
-diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
-index d5e790dd589a..d7dc95f58dae 100644
---- a/drivers/net/xen-netfront.c
-+++ b/drivers/net/xen-netfront.c
-@@ -1817,7 +1817,7 @@ static int talk_to_netback(struct xenbus_device *dev,
- 	err = xen_net_read_mac(dev, info->netdev->dev_addr);
- 	if (err) {
- 		xenbus_dev_fatal(dev, err, "parsing %s/mac", dev->nodename);
--		goto out;
-+		goto out_unlocked;
- 	}
- 
- 	rtnl_lock();
-@@ -1932,6 +1932,7 @@ static int talk_to_netback(struct xenbus_device *dev,
- 	xennet_destroy_queues(info);
-  out:
- 	rtnl_unlock();
-+out_unlocked:
- 	device_unregister(&dev->dev);
- 	return err;
- }

patches/xen-netfront-Update-features-after-registering-netde.patch

@@ -1,26 +0,0 @@
-diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
-index d7dc95f58dae..31bc4210f969 100644
---- a/drivers/net/xen-netfront.c
-+++ b/drivers/net/xen-netfront.c
-@@ -1958,10 +1958,6 @@ static int xennet_connect(struct net_device *dev)
- 	/* talk_to_netback() sets the correct number of queues */
- 	num_queues = dev->real_num_tx_queues;
- 
--	rtnl_lock();
--	netdev_update_features(dev);
--	rtnl_unlock();
--
- 	if (dev->reg_state == NETREG_UNINITIALIZED) {
- 		err = register_netdev(dev);
- 		if (err) {
-@@ -1971,6 +1967,10 @@ static int xennet_connect(struct net_device *dev)
- 		}
- 	}
- 
-+	rtnl_lock();
-+	netdev_update_features(dev);
-+	rtnl_unlock();
-+
- 	/*
- 	 * All public and private state should now be sane.  Get
- 	 * ready to start sending and receiving packets and give the driver