fix missing code fixes from update after PR review.

Signed-off-by: headphonejames <generalfuzz@gmail.com>

plugins/auth-backend/src/lib/flow/index.ts

@@ -14,10 +14,6 @@
  * limitations under the License.
  */
 
-export {
-  ensuresXRequestedWith,
-  postMessageResponse,
-  redirectMessageResponse,
-} from './authFlowHelpers';
+export { ensuresXRequestedWith, postMessageResponse } from './authFlowHelpers';
 
 export type { WebMessageResponse } from './types';