fix: scope bug

Author: mattzcarey

src/examples/client/simpleOAuthClient.ts

@@ -221,7 +221,6 @@ class InteractiveOAuthClient {
             grant_types: ['authorization_code', 'refresh_token'],
             response_types: ['code'],
             token_endpoint_auth_method: 'client_secret_post',
-            scope: 'mcp:tools'
         };
 
         console.log('🔐 Creating OAuth provider...');