Remove react-hot-loader

Its functionality is replaced (and improved) by Fast Refresh support
in the Vite React plugins so it is no longer needed. In fact, having
both in place causes some unwanted intermittent issues in local dev
environments.

package.json

@@ -41,7 +41,6 @@
     "prop-types": "^15.7.2",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
-    "react-hot-loader": "^4.13.1",
     "react-intl": "^6.6.6",
     "react-router-dom": "^6.23.1",
     "reconnecting-websocket": "^4.4.0"

src/containers/App/App.jsx

@@ -13,7 +13,6 @@ limitations under the License.
 
 import { useMemo, useState } from 'react';
 import { useQuery, useQueryClient } from '@tanstack/react-query';
-import { hot } from 'react-hot-loader/root';
 import {
   Link,
   Navigate,
@@ -573,4 +572,4 @@ export function App({ lang }) {
   );
 }
 
-export default hot(App);
+export default App;