Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/lodash/_toSource.js

@@ -1,26 +0,0 @@
-/** Used for built-in method references. */
-var funcProto = Function.prototype;
-
-/** Used to resolve the decompiled source of functions. */
-var funcToString = funcProto.toString;
-
-/**
- * Converts `func` to its source code.
- *
- * @private
- * @param {Function} func The function to convert.
- * @returns {string} Returns the source code.
- */
-function toSource(func) {
-  if (func != null) {
-    try {
-      return funcToString.call(func);
-    } catch (e) {}
-    try {
-      return (func + '');
-    } catch (e) {}
-  }
-  return '';
-}
-
-module.exports = toSource;