refactor: simplify sidebar structure by removing unused getItem function

Author: Lonimokio

sidebar.js

@@ -1,19 +1,19 @@
-const sidebarData = require('./src/sidebars/index.json');
+module.exports = {
+  // Android
+  ...require('./src/sidebars/android/sidebar.deployapp'),
+  ...require('./src/sidebars/android/sidebar.tak'),
+  ...require('./src/sidebars/android/sidebar.bl'),
 
-function getItem(item) {
-  if (item.type === 'category') {
-    return {
-      type: 'category',
-      label: item.label,
-      items: item.items.map(getItem),
-    };
-  }
-  if (item.type === 'doc') {
-    return item.id;
-  }
-  return item;
-}
+  // iOS
+  ...require('./src/sidebars/ios/sidebar.deployapp'),
+  ...require('./src/sidebars/ios/sidebar.tak'),
+  ...require('./src/sidebars/ios/sidebar.bl'),
 
-module.exports = {
-  tutorialSidebar: sidebarData.items.map(getItem),
+  // Windows
+  ...require('./src/sidebars/windows/sidebar.deployapp'),
+  ...require('./src/sidebars/windows/sidebar.tak'),
+  ...require('./src/sidebars/windows/sidebar.bl'),
+
+   // Dev
+  ...require('./src/sidebars/sidebar.dev'),
 };