Improving of static check analyze.

`unused` linter was enabled to report about unused code.
Unused code removed.

1 files changed, 0 insertions, 25 deletions

diff --git a/proto/go/internal/cmd/protoc-gen-gitaly/main.go b/proto/go/internal/cmd/protoc-gen-gitaly/main.go
index 699b14f6b..08c691e2a 100644
--- a/proto/go/internal/cmd/protoc-gen-gitaly/main.go
+++ b/proto/go/internal/cmd/protoc-gen-gitaly/main.go
@@ -52,7 +52,6 @@ package main
 
 import (
 	"bytes"
-	"compress/gzip"
 	"fmt"
 	"go/format"
 	"io"
@@ -64,7 +63,6 @@ import (
 	"text/template"
 
 	"github.com/golang/protobuf/proto"
-	"github.com/golang/protobuf/protoc-gen-go/descriptor"
 	plugin "github.com/golang/protobuf/protoc-gen-go/plugin"
 	"gitlab.com/gitlab-org/gitaly/proto/go/internal/linter"
 )
@@ -215,26 +213,3 @@ func renderProtoList(dest io.WriteCloser, protoNames []string) error {
 
 	return nil
 }
-
-// extractFile extracts a FileDescriptorProto from a gzip'd buffer.
-// Note: function is copied from the github.com/golang/protobuf dependency:
-// https://github.com/golang/protobuf/blob/9eb2c01ac278a5d89ce4b2be68fe4500955d8179/descriptor/descriptor.go#L50
-func extractFile(gz []byte) (*descriptor.FileDescriptorProto, error) {
-	r, err := gzip.NewReader(bytes.NewReader(gz))
-	if err != nil {
-		return nil, fmt.Errorf("failed to open gzip reader: %v", err)
-	}
-	defer r.Close()
-
-	b, err := ioutil.ReadAll(r)
-	if err != nil {
-		return nil, fmt.Errorf("failed to uncompress descriptor: %v", err)
-	}
-
-	fd := new(descriptor.FileDescriptorProto)
-	if err := proto.Unmarshal(b, fd); err != nil {
-		return nil, fmt.Errorf("malformed FileDescriptorProto: %v", err)
-	}
-
-	return fd, nil
-}