chore: remove TODO comment and dead code from http adapter error handler (#7229)

Remove commented-out code marked with @todo remove in the request error
handler. The code was already disabled and no longer needed.

lib/adapters/http.js

@@ -816,8 +816,6 @@ export default isHttpAdapterSupported && function httpAdapter(config) {
 
     // Handle errors
     req.on('error', function handleRequestError(err) {
-      // @todo remove
-      // if (req.aborted && err.code !== AxiosError.ERR_FR_TOO_MANY_REDIRECTS) return;
       reject(AxiosError.from(err, null, config, req));
     });