Remove import from express-serve-static-core

Mostly because express-serve-static-core is an implicit dependency.  We
could make it explicit, but the type we imported from it is just an
alias for qs.ParsedQs anyway.

src/node/settings.ts

@@ -1,5 +1,5 @@
 import { logger } from "@coder/logger"
-import { Query } from "express-serve-static-core"
+import type { ParsedQs } from "qs"
 import { promises as fs } from "fs"
 
 export type Settings = { [key: string]: Settings | string | boolean | number }
@@ -52,5 +52,5 @@ export interface UpdateSettings {
  * Global code-server settings.
  */
 export interface CoderSettings extends UpdateSettings {
-  query?: Query
+  query?: ParsedQs
 }