api/types: remove deprecated fields for cluster-advertise

This removes:

- Info.ClusterStore
- Info.ClusterAdvertise

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

api/types/types.go

@@ -297,8 +297,6 @@ type Info struct {
 	Labels             []string
 	ExperimentalBuild  bool
 	ServerVersion      string
-	ClusterStore       string `json:",omitempty"` // Deprecated: host-discovery and overlay networks with external k/v stores are deprecated
-	ClusterAdvertise   string `json:",omitempty"` // Deprecated: host-discovery and overlay networks with external k/v stores are deprecated
 	Runtimes           map[string]Runtime
 	DefaultRuntime     string
 	Swarm              swarm.Info