move upgrade function to zmanager

go.mod

@@ -17,7 +17,6 @@ require (
 	github.com/go-playground/validator/v10 v10.4.1 // indirect
 	github.com/golang/protobuf v1.4.3 // indirect
 	github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 // indirect
-	github.com/inconshreveable/go-update v0.0.0-20160112193335-8152e7eb6ccf
 	github.com/jinzhu/copier v0.1.0
 	github.com/jinzhu/gorm v1.9.16
 	github.com/jinzhu/now v1.1.1 // indirect