clean: remove unused code (#1112)

internal/pipe/blob/blob_test.go

@@ -249,7 +249,7 @@ func setEnv(env map[string]string) {
 }
 
 func unsetEnv(env map[string]string) {
-	for k, _ := range env {
+	for k := range env {
 		os.Unsetenv(k)
 	}
 }

internal/pipe/docker/docker_test.go

@@ -589,7 +589,6 @@ func TestBuildCommand(t *testing.T) {
 	images := []string{"goreleaser/test_build_flag", "goreleaser/test_multiple_tags"}
 	tests := []struct {
 		name   string
-		images []string
 		flags  []string
 		expect []string
 	}{

internal/pipe/s3/awssession_test.go

@@ -35,10 +35,8 @@ func Test_awsSession(t *testing.T) {
 	tests := []struct {
 		name             string
 		args             args
-		wantValidSession bool
 		want             *session.Session
 		before           func()
-		after            func()
 		expectToken      string
 		endpoint         string
 		S3ForcePathStyle bool