Remove unnecessary EmbeddedObjects

Clarify the tests in embedded_test.go to indicate that unmarshalling
of an internal object (runtime.EmbeddedObject) will not work.  Instead,
consumers should decode raw external objects.

pkg/runtime/embedded.go

@@ -20,47 +20,6 @@ import (
 	"gopkg.in/v1/yaml"
 )
 
-// EmbeddedObject must have an appropriate encoder and decoder functions, such that on the
-// wire, it's stored as a []byte, but in memory, the contained object is accessable as an
-// Object via the Get() function. Only valid API objects may be stored via EmbeddedObject.
-// The purpose of this is to allow an API object of type known only at runtime to be
-// embedded within other API objects.
-//
-// Define a Codec variable in your package and import the runtime package and
-// then use the commented section below
-
-/*
-// EmbeddedObject implements a Codec specific version of an
-// embedded object.
-type EmbeddedObject struct {
-	runtime.Object
-}
-
-// UnmarshalJSON implements the json.Unmarshaler interface.
-func (a *EmbeddedObject) UnmarshalJSON(b []byte) error {
-	obj, err := runtime.CodecUnmarshalJSON(Codec, b)
-	a.Object = obj
-	return err
-}
-
-// MarshalJSON implements the json.Marshaler interface.
-func (a EmbeddedObject) MarshalJSON() ([]byte, error) {
-	return runtime.CodecMarshalJSON(Codec, a.Object)
-}
-
-// SetYAML implements the yaml.Setter interface.
-func (a *EmbeddedObject) SetYAML(tag string, value interface{}) bool {
-	obj, ok := runtime.CodecSetYAML(Codec, tag, value)
-	a.Object = obj
-	return ok
-}
-
-// GetYAML implements the yaml.Getter interface.
-func (a EmbeddedObject) GetYAML() (tag string, value interface{}) {
-	return runtime.CodecGetYAML(Codec, a.Object)
-}
-*/
-
 // Encode()/Decode() are the canonical way of converting an API object to/from
 // wire format. This file provides utility functions which permit doing so
 // recursively, such that API objects of types known only at run time can be