Removing microsoftDefaultSignInResolver export

Signed-off-by: chicoribas <chico.bribas@gmail.com>

plugins/auth-backend/src/providers/microsoft/index.ts

@@ -17,6 +17,5 @@
 export {
   createMicrosoftProvider,
   microsoftEmailSignInResolver,
-  microsoftDefaultSignInResolver,
 } from './provider';
 export type { MicrosoftProviderOptions } from './provider';