fix outdated ts-expect

Author: pcarleton

src/scenarios/client/tools_call.ts

@@ -5,7 +5,6 @@ import {
   ListToolsRequestSchema
 } from '@modelcontextprotocol/sdk/types.js';
 import type { Scenario, ConformanceCheck } from '../../types.js';
-// @ts-expect-error - express has incomplete type definitions
 import express, { Request, Response, NextFunction } from 'express';
 import { ScenarioUrls } from '../../types.js';