Exclude proto files from format (#5706)

* Don't change proto files on make format

The format target does not need to depend on tools.
Thus remove dependency.

* Run make format

Co-authored-by: Alexander Bezobchuk <alexanderbez@users.noreply.github.com>

codec/amino_codec_test.go

@@ -3,10 +3,11 @@ package codec_test
 import (
 	"testing"
 
-	"github.com/cosmos/cosmos-sdk/codec"
-	"github.com/cosmos/cosmos-sdk/codec/testdata"
 	"github.com/stretchr/testify/require"
 	amino "github.com/tendermint/go-amino"
+
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/codec/testdata"
 )
 
 func createTestCodec() *amino.Codec {

codec/hybrid_codec_test.go

@@ -3,9 +3,10 @@ package codec_test
 import (
 	"testing"
 
+	"github.com/stretchr/testify/require"
+
 	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/codec/testdata"
-	"github.com/stretchr/testify/require"
 )
 
 func TestHybridCodec(t *testing.T) {

codec/proto_codec_test.go

@@ -3,9 +3,10 @@ package codec_test
 import (
 	"testing"
 
+	"github.com/stretchr/testify/require"
+
 	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/codec/testdata"
-	"github.com/stretchr/testify/require"
 )
 
 func TestProtoCodec(t *testing.T) {