refactor: remove dependency on simapp from codec (#12530)

## Description

Closes: #12528



---

### Author Checklist

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please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/main/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

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your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

codec/amino_codec_test.go

@@ -9,10 +9,12 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/codec/types"
-	"github.com/cosmos/cosmos-sdk/simapp"
 	"github.com/cosmos/cosmos-sdk/testutil/testdata"
+	"github.com/cosmos/cosmos-sdk/types/module/testutil"
+	"github.com/cosmos/cosmos-sdk/x/auth"
 	"github.com/cosmos/cosmos-sdk/x/auth/client/cli"
 	"github.com/cosmos/cosmos-sdk/x/auth/migrations/legacytx"
+	"github.com/cosmos/cosmos-sdk/x/staking"
 )
 
 func createTestCodec() *codec.LegacyAmino {
@@ -121,7 +123,7 @@ func TestAminoCodecUnpackAnyFails(t *testing.T) {
 func TestAminoCodecFullDecodeAndEncode(t *testing.T) {
 	// This tx comes from https://github.com/cosmos/cosmos-sdk/issues/8117.
 	txSigned := `{"type":"cosmos-sdk/StdTx","value":{"msg":[{"type":"cosmos-sdk/MsgCreateValidator","value":{"description":{"moniker":"fulltest","identity":"satoshi","website":"example.com","details":"example inc"},"commission":{"rate":"0.500000000000000000","max_rate":"1.000000000000000000","max_change_rate":"0.200000000000000000"},"min_self_delegation":"1000000","delegator_address":"cosmos14pt0q5cwf38zt08uu0n6yrstf3rndzr5057jys","validator_address":"cosmosvaloper14pt0q5cwf38zt08uu0n6yrstf3rndzr52q28gr","pubkey":{"type":"tendermint/PubKeyEd25519","value":"CYrOiM3HtS7uv1B1OAkknZnFYSRpQYSYII8AtMMtev0="},"value":{"denom":"umuon","amount":"700000000"}}}],"fee":{"amount":[{"denom":"umuon","amount":"6000"}],"gas":"160000"},"signatures":[{"pub_key":{"type":"tendermint/PubKeySecp256k1","value":"AwAOXeWgNf1FjMaayrSnrOOKz+Fivr6DiI/i0x0sZCHw"},"signature":"RcnfS/u2yl7uIShTrSUlDWvsXo2p2dYu6WJC8VDVHMBLEQZWc8bsINSCjOnlsIVkUNNe1q/WCA9n3Gy1+0zhYA=="}],"memo":"","timeout_height":"0"}}`
-	legacyCdc := simapp.MakeTestEncodingConfig().Amino
+	legacyCdc := testutil.MakeTestEncodingConfig(staking.AppModuleBasic{}, auth.AppModuleBasic{}).Amino
 	var tx legacytx.StdTx
 	err := legacyCdc.UnmarshalJSON([]byte(txSigned), &tx)
 	require.NoError(t, err)
@@ -129,7 +131,7 @@ func TestAminoCodecFullDecodeAndEncode(t *testing.T) {
 	// Marshalling/unmarshalling the tx should work.
 	marshaledTx, err := legacyCdc.MarshalJSON(tx)
 	require.NoError(t, err)
-	require.Equal(t, string(marshaledTx), txSigned)
+	require.Equal(t, txSigned, string(marshaledTx))
 
 	// Marshalling/unmarshalling the tx wrapped in a struct should work.
 	txRequest := &cli.BroadcastReq{