just a few more circular dependencies

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

plugins/auth-node/src/identity/prepareBackstageIdentityResponse.ts

@@ -15,10 +15,7 @@
  */
 
 import { InputError } from '@backstage/errors';
-import {
-  BackstageIdentityResponse,
-  BackstageSignInResult,
-} from '@backstage/plugin-auth-node';
+import { BackstageIdentityResponse, BackstageSignInResult } from '../types';
 
 function parseJwtPayload(token: string) {
   const [_header, payload, _signature] = token.split('.');