fix user constructor issue

src/ui_ng/src/app/user/user.component.ts

@@ -130,7 +130,8 @@ export class UserComponent implements OnInit, OnDestroy {
     }
 
     //Value copy
-    let updatedUser: User = new User(user.user_id);;
+    let updatedUser: User = new User();
+    updatedUser.user_id = user.user_id;
 
     if (user.has_admin_role === 0) {
       updatedUser.has_admin_role = 1;//Set as admin

src/ui_ng/src/app/user/user.ts

@@ -5,10 +5,6 @@
  * @class User
  */
 export class User {
-    constructor(userId: number){
-        this.user_id = userId;
-    }
-
     user_id: number;
     username?: string;
     realname?: string;