[clean up][s]: removed outdated apollo server mocks and config module which is now replaced by next.config.js.

Also, removed all leftover and not used packages and npm scripts.

config/index.js

@@ -1,25 +0,0 @@
-'use strict';
-
-const nconf = require('nconf');
-require('dotenv').config({ path: process.env.DOTENV_PATH || '.env' });
-
-nconf.argv().env();
-
-nconf.use('memory');
-
-const dms = (process.env.DMS || 'http://mock.ckan').replace(/\/?$/, '');
-const cms = (process.env.CMS || 'http://mock.cms').replace(/\/?$/, '');
-
-// This is the object that you want to override in your own local config
-nconf.defaults({
-  env: process.env.NODE_ENV || 'development',
-  debug: process.env.DEBUG || false,
-  DMS: dms,
-  CMS: cms,
-});
-
-module.exports = {
-  get: nconf.get.bind(nconf),
-  set: nconf.set.bind(nconf),
-  reset: nconf.reset.bind(nconf),
-};