Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/lodash/sum.js

@@ -1,24 +0,0 @@
-var baseSum = require('./_baseSum'),
-    identity = require('./identity');
-
-/**
- * Computes the sum of the values in `array`.
- *
- * @static
- * @memberOf _
- * @since 3.4.0
- * @category Math
- * @param {Array} array The array to iterate over.
- * @returns {number} Returns the sum.
- * @example
- *
- * _.sum([4, 2, 8, 6]);
- * // => 20
- */
-function sum(array) {
-  return (array && array.length)
-    ? baseSum(array, identity)
-    : 0;
-}
-
-module.exports = sum;