Run canary config server separate from controller (#2617)

* add canary config server
* remove the canary config code from the controller
* remove port exposure for canary config

pkg/controller/api.go

@@ -67,7 +67,7 @@ type (
 	}
 )
 
-func MakeAPI(logger *zap.Logger, featureStatus map[string]string) (*API, error) {
+func MakeAPI(logger *zap.Logger) (*API, error) {
 	api, err := makeCRDBackedAPI(logger)
 
 	u := os.Getenv("STORAGE_SERVICE_URL")
@@ -98,8 +98,6 @@ func MakeAPI(logger *zap.Logger, featureStatus map[string]string) (*API, error)
 		api.functionNamespace = "fission-function"
 	}
 
-	api.featureStatus = featureStatus
-
 	return api, err
 }