Remove obsolete SearchBar.js file (#5480)

* Remove obsolete SearchBar.js file

* let Docusaurus fall back to its built-in component

Author: kimsauce

src/theme/SearchBar.js

@@ -1,82 +1,10 @@
-// By default, the classic theme does not provide any SearchBar implementation
-// If you swizzled this, it is your responsibility to provide an implementation
-// Tip: swizzle the SearchBar from the Algolia theme for inspiration:
-// npm run swizzle @docusaurus/theme-search-algolia SearchBar
-export {default} from '@docusaurus/Noop';
-import 'instantsearch.css/themes/satellite.css';
+import React from 'react';
+import SearchBar from '@theme-original/SearchBar';
 
-import algoliasearch from 'algoliasearch/lite';
-import {
-  InstantSearch,
-  SearchBox,
-  Hits,
-  Highlight,
-  RefinementList,
-} from 'react-instantsearch-hooks-web';
-
-const searchClient = algoliasearch('2SJPGMLW1Q', 'fb2f4e1fb40f962900631121cb365549');
-
-// ...
-
-function App() {
-  return (
-    <InstantSearch searchClient={searchClient} indexName="crawler_sumodocs">
-      <SearchBox />
-      <RefinementList attribute="tags" />
-      <Hits hitComponent={Hit} />
-    </InstantSearch>
-  );
-}
-
-import { Configure } from 'react-instantsearch';
-
-<Configure
-  clickAnalytics={true}
-  userToken={'user-1'}
-/>
-
-import { Hits } from 'react-instantsearch';
-
-const indexName = crawler_sumodocs;
-
-function Hit({ hit }) {
+export default function SearchBarWrapper(props) {
   return (
-    <div
-      data-insights-object-id={hit.objectID}
-      data-insights-position={hit.__position}
-      data-insights-query-id={hit.__queryID}
-    >
-      {/* ... */}
-    </div>
+    <>
+      <SearchBar {...props} />
+    </>
   );
 }
-
-// ...
-
-<div data-insights-index={indexName}>
-  {/* ... */}
-  <Hits hitComponent={Hit} />
-</div>
-
-
-window.dataLayer.push({
-  algoliaUserToken: 'user-1',
-});
-
-aa('onUserTokenChange', (userToken) => {
-  window.dataLayer.push({
-    algoliaUserToken: userToken,
-  });
-}, { immediate: true });
-
-<InstantSearch
-  insights={{
-    onEvent(event) {
-      const { widgetType, eventType, payload, hits } = event;
-
-      if (widgetType === 'ais.hits' && eventType === 'view') {
-        dataLayer.push({ event: 'Hits Viewed' });
-      }
-    }
-  }}
-/>