Format go resource (#71370)

* Format Go resource

* Format tabs

* use format library

* Undo template change

* Apply suggestion

pkg/codegen/tmpl/core_resource.tmpl

@@ -21,7 +21,6 @@ func NewK8sResource(name string, s *Spec) K8sResource {
 	}
 }
 
-
 // Resource is the wire representation of {{ .KindName }}.
 // It currently will soon be merged into the k8s flavor (TODO be better)
 type Resource struct {