chore: Remove ToSecret

- Introduced in 23addde28e and removed in
8cd46024fd.

.deadcode-out

@@ -247,9 +247,6 @@ code.gitea.io/gitea/routers/web/org
 code.gitea.io/gitea/services/context
 	GetPrivateContext
 
-code.gitea.io/gitea/services/convert
-	ToSecret
-
 code.gitea.io/gitea/services/pull
 	IsCommitStatusContextSuccess
 

services/convert/secret.go

@@ -1,18 +0,0 @@
-// Copyright 2023 The Gitea Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package convert
-
-import (
-	secret_model "code.gitea.io/gitea/models/secret"
-	api "code.gitea.io/gitea/modules/structs"
-)
-
-// ToSecret converts Secret to API format
-func ToSecret(secret *secret_model.Secret) *api.Secret {
-	result := &api.Secret{
-		Name: secret.Name,
-	}
-
-	return result
-}