refactor!: Remove clientCtx.JSONCodec and rename EncodingConfig.Marshaler to Codec (#9521)

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## Description

Closes: #9499 

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---

### Author Checklist

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please add links to any relevant follow up issues.*

I have...

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

x/auth/client/cli/encode_test.go

@@ -39,7 +39,7 @@ func TestGetCommandEncode(t *testing.T) {
 	ctx := context.Background()
 	clientCtx := client.Context{}.
 		WithTxConfig(encodingConfig.TxConfig).
-		WithCodec(encodingConfig.Marshaler)
+		WithCodec(encodingConfig.Codec)
 	ctx = context.WithValue(ctx, client.ClientContextKey, &clientCtx)
 
 	cmd.SetArgs([]string{txFileName})
@@ -52,7 +52,7 @@ func TestGetCommandDecode(t *testing.T) {
 
 	clientCtx := client.Context{}.
 		WithTxConfig(encodingConfig.TxConfig).
-		WithCodec(encodingConfig.Marshaler)
+		WithCodec(encodingConfig.Codec)
 
 	cmd := GetDecodeCommand()
 	_ = testutil.ApplyMockIODiscardOutErr(cmd)

x/auth/keeper/keeper_test.go

@@ -129,7 +129,7 @@ func TestSupply_ValidatePermissions(t *testing.T) {
 	maccPerms[multiPerm] = []string{types.Burner, types.Minter, types.Staking}
 	maccPerms[randomPerm] = []string{"random"}
 
-	cdc := simapp.MakeTestEncodingConfig().Marshaler
+	cdc := simapp.MakeTestEncodingConfig().Codec
 	keeper := keeper.NewAccountKeeper(
 		cdc, app.GetKey(types.StoreKey), app.GetSubspace(types.ModuleName),
 		types.ProtoBaseAccount, maccPerms,

x/auth/legacy/v040/migrate_test.go

@@ -22,7 +22,7 @@ func TestMigrate(t *testing.T) {
 		WithInterfaceRegistry(encodingConfig.InterfaceRegistry).
 		WithTxConfig(encodingConfig.TxConfig).
 		WithLegacyAmino(encodingConfig.Amino).
-		WithJSONCodec(encodingConfig.Marshaler)
+		WithCodec(encodingConfig.Codec)
 
 	coins := sdk.NewCoins(sdk.NewInt64Coin("stake", 50))
 

x/auth/legacy/v043/store_test.go

@@ -661,7 +661,7 @@ func createValidator(t *testing.T, ctx sdk.Context, app *simapp.SimApp, powers i
 	addrs := simapp.AddTestAddrsIncremental(app, ctx, 1, valTokens)
 	valAddrs := simapp.ConvertAddrsToValAddrs(addrs)
 	pks := simapp.CreateTestPubKeys(1)
-	cdc := simapp.MakeTestEncodingConfig().Marshaler
+	cdc := simapp.MakeTestEncodingConfig().Codec
 
 	app.StakingKeeper = stakingkeeper.NewKeeper(
 		cdc,

x/auth/simulation/decoder_test.go

@@ -22,7 +22,7 @@ var (
 
 func TestDecodeStore(t *testing.T) {
 	app := simapp.Setup(false)
-	cdc := simapp.MakeTestEncodingConfig().Marshaler
+	cdc := simapp.MakeTestEncodingConfig().Codec
 	acc := types.NewBaseAccountWithAddress(delAddr1)
 	dec := simulation.NewDecodeStore(app.AccountKeeper)
 

x/auth/types/common_test.go

@@ -7,5 +7,5 @@ import (
 var (
 	app                   = simapp.Setup(false)
 	ecdc                  = simapp.MakeTestEncodingConfig()
-	appCodec, legacyAmino = ecdc.Marshaler, ecdc.Amino
+	appCodec, legacyAmino = ecdc.Codec, ecdc.Amino
 )