[clean up][s]: removed outdated apollo server mocks and config module which is now replaced by next.config.js.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

utils/index.js

@@ -1,7 +1,7 @@
 const { URL } = require('url');
 const bytes = require('bytes');
 const slugify = require('slugify');
-const config = require('../config');
+const config = require('../next.config.js');
 
 module.exports.ckanToDataPackage = function (descriptor) {
   // Make a copy