remove unused and dangerous apis

auditors @darkdh @diracdeltas

lib/renderer/api/remote.js

@@ -292,11 +292,6 @@ ipcRenderer.on('ELECTRON_RENDERER_RELEASE_CALLBACK', function (event, id) {
 
 var binding = {}
 
-// Alias to remote.require('electron').xxx.
-binding.getBuiltin = function (module) {
-  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_GET_BUILTIN', module))
-}
-
 // Get current BrowserWindow.
 binding.getCurrentWindow = function () {
   return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_CURRENT_WINDOW'))
@@ -331,12 +326,12 @@ binding.unregisterEvents = function (tabID, listener) {
   GuestViewInternal.removeListener(tabID, listener)
 }
 
-const deprecatedRemoteAPIs = ['Menu', 'shell', 'screen', 'clipboard', 'session', 'BrowserWindow']
+const deprecatedRemoteAPIs = ['Menu', 'clipboard']
 for (var i = 0, len = deprecatedRemoteAPIs.length; i < len; i++) {
   const name = deprecatedRemoteAPIs[i]
   Object.defineProperty(binding, name, {
     get: function () {
-      return binding.getBuiltin(name)
+      return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_GET_BUILTIN', name))
     }
   })
 }