fixup keystore.go after rebase

core/commands/keystore.go

@@ -548,31 +548,6 @@ func verifyIDFormatLabel(formatLabel string) error {
 	}
 }
 
-func keyEncoderFromString(formatLabel string) (keyEncoder, error) {
-	switch formatLabel {
-	case "b58mh", "v0":
-		return keyEncoder{}, nil
-	default:
-		if enc, err := mbase.EncoderByName(formatLabel); err != nil {
-			return keyEncoder{}, err
-		} else {
-			return keyEncoder{&enc}, nil
-		}
-	}
-}
-
-func (enc keyEncoder) FormatID(id peer.ID) string {
-	if enc.baseEnc == nil {
-		//nolint deprecated
-		return peer.IDB58Encode(id)
-	}
-	if s, err := peer.ToCid(id).StringOfBase(enc.baseEnc.Encoding()); err != nil {
-		panic(err)
-	} else {
-		return s
-	}
-}
-
 func keyOutputListEncoders() cmds.EncoderFunc {
 	return cmds.MakeTypedEncoder(func(req *cmds.Request, w io.Writer, list *KeyOutputList) error {
 		withID, _ := req.Options["l"].(bool)