refactor: don't break SignModeHandler API (#14087)

* refactor: Make SignModeHandler update not API breaking

* changelog

* fix tests

* add comment

* Revert rosetta

* address reviews

* shorter name

* Fix test build

tools/rosetta/converter.go

@@ -2,7 +2,6 @@ package rosetta
 
 import (
 	"bytes"
-	"context"
 	"encoding/json"
 	"fmt"
 	"reflect"
@@ -115,7 +114,7 @@ func NewConverter(cdc *codec.ProtoCodec, ir codectypes.InterfaceRegistry, cfg sd
 		txDecode:        cfg.TxDecoder(),
 		txEncode:        cfg.TxEncoder(),
 		bytesToSign: func(tx authsigning.Tx, signerData authsigning.SignerData) (b []byte, err error) {
-			bytesToSign, err := cfg.SignModeHandler().GetSignBytes(context.TODO(), signing.SignMode_SIGN_MODE_LEGACY_AMINO_JSON, signerData, tx)
+			bytesToSign, err := cfg.SignModeHandler().GetSignBytes(signing.SignMode_SIGN_MODE_LEGACY_AMINO_JSON, signerData, tx)
 			if err != nil {
 				return nil, err
 			}