fix(auth-ui): db auth ext error parsing

code is obsolete, it fails the parsing when not present

Author: MiroslavPetrik

src/app/actions/auth.ts

@@ -155,7 +155,6 @@ const dbAuthError = z.object({
   error: z.object({
     type: z.string(),
     message: z.string(),
-    code: z.number(),
   }),
 });