Remove legacy raw pipeline contracts

internal/modules/dnd/codec/spells/codec.go

@@ -52,7 +52,7 @@ func (c *Codec) Encode(value dnd.SpellList) ([]byte, error) {
 }
 
 // EncodeCandidate provides the same stable representation before typed
-// validators have approved a value on the temporary raw downstream path.
+// validators have approved a value.
 func (c *Codec) EncodeCandidate(value dnd.SpellList) ([]byte, error) {
 	content, err := json.Marshal(value)
 	if err != nil {
@@ -73,7 +73,7 @@ func (c *Codec) Decode(content []byte) (dnd.SpellList, error) {
 }
 
 // DecodeCandidate reads the durable representation before semantic validators
-// have approved it on the temporary raw runner path.
+// have approved it.
 func (c *Codec) DecodeCandidate(content []byte) (dnd.SpellList, error) {
 	decoder := json.NewDecoder(bytes.NewReader(content))
 	decoder.DisallowUnknownFields()