fix: revert \cosmos#10169 (amino multisig key unmarshalling) (cosmos#…

…10193)

* Revert "fix: unmarshalling issue with multisig keys in master (backport cosmos#10061) (cosmos#10169)"

This reverts commit fcaff72.

* Update CHANGELOG.md

Co-authored-by: Amaury <1293565+amaurym@users.noreply.github.com>

Co-authored-by: Amaury <1293565+amaurym@users.noreply.github.com>

CHANGELOG.md

@@ -48,7 +48,6 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 * [\#9969](https://github.com/cosmos/cosmos-sdk/pull/9969) fix: use keyring in config for add-genesis-account cmd.
 * (x/genutil) [#10104](https://github.com/cosmos/cosmos-sdk/pull/10104) Ensure the `init` command reads the `--home` flag value correctly.
-* [\#10061](https://github.com/cosmos/cosmos-sdk/pull/10061) Ensure that `LegacyAminoPubKey` struct correctly unmarshals from JSON
 * (x/feegrant) [\#10049](https://github.com/cosmos/cosmos-sdk/issues/10049) Fixed the error message when `period` or `period-limit` flag is not set on a feegrant grant transaction.
 
 ### Client Breaking Changes

crypto/keys/multisig/multisig_test.go

@@ -437,14 +437,6 @@ func TestAminoUnmarshalJSON(t *testing.T) {
 	require.NoError(t, err)
 	lpk := pk.(*kmultisig.LegacyAminoPubKey)
 	require.Equal(t, uint32(3), lpk.Threshold)
-	require.Equal(t, 5, len(pk.(*kmultisig.LegacyAminoPubKey).PubKeys))
-
-	for _, key := range pk.(*kmultisig.LegacyAminoPubKey).PubKeys {
-		require.NotNil(t, key)
-		pk := secp256k1.PubKey{}
-		err := pk.Unmarshal(key.Value)
-		require.NoError(t, err)
-	}
 }
 
 func TestProtoMarshalJSON(t *testing.T) {