Update docusaurus.config.js

documentation/docusaurus.config.js

@@ -8,7 +8,6 @@
 require("dotenv").config();
 
 const redirectJson = require("./redirects.json");
-const tutorialData = require("./tutorial-units");
 
 /** @type {import('@docusaurus/types/src/index').DocusaurusConfig} */
 const siteConfig = {