build: remove unused var

Author: felixfbecker

server/src/cloud-function.ts

@@ -3,7 +3,7 @@ import * as tar from 'tar'
 import streamToArray from 'stream-to-array'
 import { once } from 'events'
 import assert from 'assert'
-import { NextFunction, Request, Response } from 'express'
+import { Request, Response } from 'express'
 import * as path from 'path'
 import createSandbox from 'codesandbox-import-utils/lib/create-sandbox'
 import { INormalizedModules } from 'codesandbox-import-util-types'