Remove AuthInfo export

Author: allenzhou101

src/index.ts

@@ -2,4 +2,3 @@
 export { default as createMcpHandler } from "./next";
 
 export { withMcpAuth as experimental_withMcpAuth } from "./next/auth-wrapper";
-export type { AuthInfo } from "./next/auth-wrapper";

src/next/auth-wrapper.ts

@@ -1,9 +1,6 @@
 import { InvalidTokenError, InsufficientScopeError, ServerError } from '@modelcontextprotocol/sdk/server/auth/errors';
 import { AuthInfo } from '@modelcontextprotocol/sdk/server/auth/types';
 
-// Re-export AuthInfo type for convenience
-export type { AuthInfo };
-
 // Extend the Request type to include auth info
 declare global {
   interface Request {