incorperate review comments

src/vs/code/node/args.ts

@@ -1,33 +0,0 @@
-/*---------------------------------------------------------------------------------------------
- *  Copyright (c) Microsoft Corporation. All rights reserved.
- *  Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
-
-'use strict';
-
-/**
- * Converts an argument into an array
- * @param arg a argument value. Can be undefined, en entry or an array
- */
-export function asArray<T>(arg: T | T[] | undefined): T[] {
-	if (arg) {
-		if (Array.isArray(arg)) {
-			return arg;
-		}
-		return [arg];
-	}
-	return [];
-}
-
-/**
- * Returns whether an argument is present.
- */
-export function hasArgs<T>(arg: T | T[] | undefined): boolean {
-	if (arg) {
-		if (Array.isArray(arg)) {
-			return !!arg.length;
-		}
-		return true;
-	}
-	return false;
-}