Remove modules from source

node_modules/lowercase-keys/index.js

@@ -1,11 +0,0 @@
-'use strict';
-module.exports = function (obj) {
-	var ret = {};
-	var keys = Object.keys(Object(obj));
-
-	for (var i = 0; i < keys.length; i++) {
-		ret[keys[i].toLowerCase()] = obj[keys[i]];
-	}
-
-	return ret;
-};