Remove deprecated packages (#1732)

scripts/@types/find-npm-prefix.d.ts

@@ -1,19 +0,0 @@
-/*
-Copyright 2022 New Vector Ltd
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-declare module "find-npm-prefix" {
-    export default function findPrefix(dir: string): Promise<string>;
-}

scripts/hak/index.ts

@@ -15,7 +15,6 @@ limitations under the License.
 */
 
 import path from "path";
-import findNpmPrefix from "find-npm-prefix";
 
 import HakEnv from "./hakEnv";
 import { TargetId } from "./target";
@@ -37,7 +36,7 @@ const METACOMMANDS: Record<string, string[]> = {
 const HAKSCRIPTS = ["check", "fetch", "build"];
 
 async function main(): Promise<void> {
-    const prefix = await findNpmPrefix(process.cwd());
+    const prefix = path.join(__dirname, "..", "..");
     let packageJson;
     try {
         packageJson = require(path.join(prefix, "package.json"));