Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/postcss-js/process-result.js

@@ -1,11 +0,0 @@
-var objectify = require('./objectifier')
-
-module.exports = function (result) {
-  if (console && console.warn) {
-    result.warnings().forEach(function (warn) {
-      var source = warn.plugin || 'PostCSS'
-      console.warn(source + ': ' + warn.text)
-    })
-  }
-  return objectify(result.root)
-}