remove node_modules and .gitignore them

node_modules/es5-ext/number/#/index.js

@@ -1,3 +0,0 @@
-"use strict";
-
-module.exports = { pad: require("./pad") };

node_modules/es5-ext/number/#/pad.js

@@ -1,16 +0,0 @@
-"use strict";
-
-var pad      = require("../../string/#/pad")
-  , toPosInt = require("../to-pos-integer")
-  , toFixed  = Number.prototype.toFixed;
-
-module.exports = function (length /*, precision*/) {
-	var precision;
-	length = toPosInt(length);
-	precision = toPosInt(arguments[1]);
-
-	return pad.call(
-		precision ? toFixed.call(this, precision) : this, "0",
-		length + (precision ? 1 + precision : 0)
-	);
-};