test: update test-npm to use test-npm-package.js

Deletes the old test-npm.sh script.

PR-URL: https://github.com/nodejs/node/pull/11540
Refs: https://github.com/nodejs/node/pull/7867
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>

tools/test-npm.sh

@@ -1,43 +0,0 @@
-#!/bin/bash
-
-set -e
-
-# always change the working directory to the project's root directory
-cd $(dirname $0)/..
-
-# pass a $NODE environment variable from something like Makefile
-# it should point to either ./node or ./node.exe, depending on the platform
-if [ -z $NODE ]; then
-  echo "No node executable provided. Bailing." >&2
-  exit 0
-fi
-
-rm -rf test-npm
-
-# make a copy of deps/npm to run the tests on
-cp -r deps/npm test-npm
-
-cd test-npm
-
-# do a rm first just in case deps/npm contained these
-rm -rf npm-cache npm-tmp npm-prefix
-mkdir npm-cache npm-tmp npm-prefix
-
-# set some npm env variables to point to our new temporary folders
-export npm_config_cache="$(pwd)/npm-cache"
-export npm_config_prefix="$(pwd)/npm-prefix"
-export npm_config_tmp="$(pwd)/npm-tmp"
-
-# ensure npm always uses the local node
-export PATH="$(../$NODE -p 'require("path").resolve("..")'):$PATH"
-unset NODE
-
-# make sure the binaries from the non-dev-deps are available
-node bin/npm-cli.js rebuild
-# install npm devDependencies and run npm's tests
-node bin/npm-cli.js install --ignore-scripts --no-save
-# run the tests
-node bin/npm-cli.js run-script test-node
-
-# clean up everything one single shot
-cd .. && rm -rf test-npm