test: remove a bunch of usage of the remote module (#21119)

spec/fixtures/module/delete-buffer.js

@@ -1,11 +0,0 @@
-const path = require('path')
-const { remote } = require('electron')
-const { Buffer } = window
-
-delete window.Buffer
-delete global.Buffer
-
-// Test that remote.js doesn't use Buffer global
-remote.require(path.join(__dirname, 'print_name.js')).echo(Buffer.from('bar'))
-
-window.test = Buffer.from('buffer')

spec/fixtures/module/preload-remote.js

@@ -1,5 +0,0 @@
-const { ipcRenderer, remote } = require('electron')
-
-window.onload = function () {
-  ipcRenderer.send('remote', typeof remote)
-}

spec/fixtures/module/print_name.js

@@ -1,36 +0,0 @@
-exports.print = function (obj) {
-  return obj.constructor.name
-}
-
-exports.echo = function (obj) {
-  return obj
-}
-
-const typedArrays = {
-  Int8Array,
-  Uint8Array,
-  Uint8ClampedArray,
-  Int16Array,
-  Uint16Array,
-  Int32Array,
-  Uint32Array,
-  Float32Array,
-  Float64Array
-}
-
-exports.typedArray = function (type, values) {
-  const constructor = typedArrays[type]
-  const array = new constructor(values.length)
-  for (let i = 0; i < values.length; ++i) {
-    array[i] = values[i]
-  }
-  return array
-}
-
-exports.getNaN = function () {
-  return NaN
-}
-
-exports.getInfinity = function () {
-  return Infinity
-}