removed useless deletes

ref #39

src/controllers/UserController.ts

@@ -73,9 +73,6 @@ export class UserController {
 	@OpenAPI({ description: "Update a user object (id can't be changed)." })
 	async put(@Param('id') id: number, @Body({ validate: true }) updateUser: UpdateUser) {
 		let oldUser = await this.userRepository.findOne({ id: id });
-		delete oldUser.permissions;
-		delete oldUser.groups;
-		delete oldUser.actions;
 
 		if (!oldUser) {
 			throw new UserNotFoundError();