api: remove HostConfig.LxcConf field
Commit  / docker 1.10 removed support
for the LXC runtime, and removed the corresponding fields from the API (v1.22).
This patch removes the `HostConfig.LxcConf` field from the swagger definition.
@@ -5915,7 +5915,6 @@ paths:
property1: "string"
property2: "string"
IpcMode: ""
- LxcConf: []
Memory: 0
MemorySwap: 0
MemoryReservation: 0
