Start removing HybridCodec (init + auth, bank, distribution) (#6838)

* Start to remove HybridCodec

* Rename

* Fixes

* Test fixes

* Cleanup

codec/any.go

@@ -10,7 +10,7 @@ import (
 
 // MarshalAny is a convenience function for packing the provided value in an
 // Any and then proto marshaling it to bytes
-func MarshalAny(m Marshaler, x interface{}) ([]byte, error) {
+func MarshalAny(m BinaryMarshaler, x interface{}) ([]byte, error) {
 	msg, ok := x.(proto.Message)
 	if !ok {
 		return nil, fmt.Errorf("can't proto marshal %T", x)
@@ -32,7 +32,7 @@ func MarshalAny(m Marshaler, x interface{}) ([]byte, error) {
 // Ex:
 //		var x MyInterface
 //		err := UnmarshalAny(unpacker, &x, bz)
-func UnmarshalAny(m Marshaler, iface interface{}, bz []byte) error {
+func UnmarshalAny(m BinaryMarshaler, iface interface{}, bz []byte) error {
 	any := &types.Any{}
 
 	err := m.UnmarshalBinaryBare(bz, any)

codec/codec.go

@@ -17,9 +17,12 @@ type (
 	//
 	// 1. AminoCodec: Provides full Amino serialization compatibility.
 	// 2. ProtoCodec: Provides full Protobuf serialization compatibility.
-	// 3. HybridCodec: Provides Protobuf serialization for binary encoding and Amino
-	// for JSON encoding.
 	Marshaler interface {
+		BinaryMarshaler
+		JSONMarshaler
+	}
+
+	BinaryMarshaler interface {
 		MarshalBinaryBare(o ProtoMarshaler) ([]byte, error)
 		MustMarshalBinaryBare(o ProtoMarshaler) []byte
 
@@ -32,7 +35,6 @@ type (
 		UnmarshalBinaryLengthPrefixed(bz []byte, ptr ProtoMarshaler) error
 		MustUnmarshalBinaryLengthPrefixed(bz []byte, ptr ProtoMarshaler)
 
-		JSONMarshaler
 		types.AnyUnpacker
 	}