Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/lodash/concat.js

@@ -1,43 +0,0 @@
-var arrayPush = require('./_arrayPush'),
-    baseFlatten = require('./_baseFlatten'),
-    copyArray = require('./_copyArray'),
-    isArray = require('./isArray');
-
-/**
- * Creates a new array concatenating `array` with any additional arrays
- * and/or values.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to concatenate.
- * @param {...*} [values] The values to concatenate.
- * @returns {Array} Returns the new concatenated array.
- * @example
- *
- * var array = [1];
- * var other = _.concat(array, 2, [3], [[4]]);
- *
- * console.log(other);
- * // => [1, 2, 3, [4]]
- *
- * console.log(array);
- * // => [1]
- */
-function concat() {
-  var length = arguments.length;
-  if (!length) {
-    return [];
-  }
-  var args = Array(length - 1),
-      array = arguments[0],
-      index = length;
-
-  while (index--) {
-    args[index - 1] = arguments[index];
-  }
-  return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
-}
-
-module.exports = concat;