clean code

src/server/models/user-group-relation.js

@@ -142,33 +142,6 @@ class UserGroupRelation {
     return relations.map((relation) => { return relation.relatedGroup });
   }
 
-  /**
-   * find all entities with pagination
-   *
-   * @see https://github.com/edwardhotchkiss/mongoose-paginate
-   *
-   * @static
-   * @param {UserGroup} userGroup
-   * @param {any} opts mongoose-paginate options object
-   * @returns {Promise<any>} mongoose-paginate result object
-   * @memberof UserGroupRelation
-   */
-  static findUserGroupRelationsWithPagination(userGroup, opts) {
-    const query = { relatedGroup: userGroup };
-    const options = Object.assign({}, opts);
-    if (options.page == null) {
-      options.page = 1;
-    }
-    if (options.limit == null) {
-      options.limit = UserGroupRelation.PAGE_ITEMS;
-    }
-
-    return this.paginate(query, options)
-      .catch((err) => {
-        debug('Error on pagination:', err);
-      });
-  }
-
   /**
    * count by related group id and related user
    *

src/server/routes/apiv3/user-group-relation.js

@@ -4,7 +4,6 @@ const logger = loggerFactory('growi:routes:apiv3:user-group-relation'); // eslin
 
 const express = require('express');
 
-const { serializeUserSecurely } = require('../../models/serializers/user-serializer');
 const ErrorV3 = require('../../models/vo/error-apiv3');
 
 const router = express.Router();
@@ -19,7 +18,7 @@ module.exports = (crowi) => {
   const loginRequiredStrictly = require('../../middlewares/login-required')(crowi);
   const adminRequired = require('../../middlewares/admin-required')(crowi);
 
-  const { UserGroup, UserGroupRelation } = crowi.models;
+  const { UserGroupRelation } = crowi.models;
 
   /**
    * @swagger