cmds/refs: remove redundant func

License: MIT
Signed-off-by: Overbool <overbool.xu@gmail.com>

core/commands/refs.go

@@ -1,7 +1,6 @@
 package commands
 
 import (
-	"bytes"
 	"context"
 	"errors"
 	"fmt"
@@ -15,8 +14,8 @@ import (
 
 	cid "gx/ipfs/QmR8BauakNcBa3RbE4nbQu76PDiJgoQgz8AJdhJuiU4TAw/go-cid"
 	path "gx/ipfs/QmRG3XuGwT7GYuAqgWDJBKTzdaHMwAnc1x7J2KHEXNHxzG/go-path"
+	cmds "gx/ipfs/Qma6uuSyjkecGhMFFLfzyJDPyoDtNJSHJNweDccZhaWkgU/go-ipfs-cmds"
 	ipld "gx/ipfs/QmcKKBwfz6FyQdHR2jsXrrF6XeSBXYL86anmWNewpFpoF5/go-ipld-format"
-	cmds "gx/ipfs/QmSXUokcP4TJpFfqozT69AVAYRtzXVMUjzQVkYX41R9Svs/go-ipfs-cmds"
 	cmdkit "gx/ipfs/Qmde5VP1qUkyQXKCfmEUA7bP64V2HAptbJ7phuPp7jXWwg/go-ipfs-cmdkit"
 )
 
@@ -33,25 +32,6 @@ const (
 	refsMaxDepthOptionName  = "max-depth"
 )
 
-// KeyListTextMarshaler outputs a KeyList as plaintext, one key per line
-func KeyListTextMarshaler(res oldcmds.Response) (io.Reader, error) {
-	out, err := unwrapOutput(res.Output())
-	if err != nil {
-		return nil, err
-	}
-
-	output, ok := out.(*KeyList)
-	if !ok {
-		return nil, e.TypeErr(output, out)
-	}
-
-	buf := new(bytes.Buffer)
-	for _, key := range output.Keys {
-		buf.WriteString(key.String() + "\n")
-	}
-	return buf, nil
-}
-
 var RefsCmd = &cmds.Command{
 	Helptext: cmdkit.HelpText{
 		Tagline: "List links (references) from an object.",