Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/lodash/_copySymbols.js

@@ -1,16 +0,0 @@
-var copyObject = require('./_copyObject'),
-    getSymbols = require('./_getSymbols');
-
-/**
- * Copies own symbols of `source` to `object`.
- *
- * @private
- * @param {Object} source The object to copy symbols from.
- * @param {Object} [object={}] The object to copy symbols to.
- * @returns {Object} Returns `object`.
- */
-function copySymbols(source, object) {
-  return copyObject(source, getSymbols(source), object);
-}
-
-module.exports = copySymbols;