chore: remove query engine

Required for #5683.

Closes: https://linear.app/prisma-company/issue/TML-1554/remove-query-engine-from-prisma-engines
Ref: prisma/prisma#28375

/prisma-branch next

Author: aqrln

libs/driver-adapters/executor/bench/schema.prisma

@@ -5,7 +5,7 @@ datasource db {
 
 generator foo {
     provider        = "prisma-client"
-    previewFeatures = ["driverAdapters", "relationJoins"]
+    previewFeatures = ["relationJoins"]
 }
 
 model Movie {

libs/driver-adapters/executor/src/bench.ts

@@ -2,8 +2,6 @@ import * as fs from 'node:fs/promises'
 import path from 'node:path'
 import { __dirname } from './utils.js'
 
-import * as qe from './query-engine.js'
-
 import * as prismaPg from '@prisma/adapter-pg'
 import {
   bindAdapter,
@@ -13,7 +11,6 @@ import {
 } from '@prisma/driver-adapter-utils'
 
 import { recording } from './recording.js'
-import { nextRequestId } from './requestId.js'
 import prismaQueries from '../bench/queries.json'
 
 import { baseline, bench, group, run } from 'mitata'