refactor: drop CLI functionality according to simplehttp2server-cli

package.json

@@ -12,9 +12,6 @@
   "engines": {
     "node": ">=10"
   },
-  "bin": {
-    "simplehttp2server": "cli.js"
-  },
   "scripts": {
     "postinstall": "node lib/install.js",
     "test": "xo && ava"

readme.md

@@ -1,39 +1,26 @@
 # simplehttp2server [![Build Status](https://travis-ci.org/1000ch/simplehttp2server.svg?branch=master)](https://travis-ci.org/1000ch/simplehttp2server)
 
-> simplehttp2server serves the current directory on an HTTP/2.0 capable server. This server is for development purposes only.
->
-> Wrapper for: https://github.com/GoogleChromeLabs/simplehttp2server
+> [simplehttp2server](https://github.com/GoogleChromeLabs/simplehttp2server) serves the current directory on an HTTP/2.0 capable server. This server is for development purposes only.
+
+You probably want [simplehttp2server-cli](https://github.com/1000ch/simplehttp2server-cli) instead.
 
 ## Install
 
 ```
 $ npm install --save simplehttp2server
 ```
 
-
 ## Usage
 
 ```js
 const {execFile} = require('child_process');
 const simplehttp2server = require('simplehttp2server');
 
 execFile(simplehttp2server, err => {
-  console.log('Simple http2 server is starting!');
+  console.log('simplehttp2server is starting!');
 });
 ```
 
-
-## CLI
-
-```
-$ npm install --global simplehttp2server
-```
-
-```
-$ simplehttp2server --help
-```
-
-
 ## License
 
-MIT
+[MIT](https://1000ch.mit-license.org) © [Shogo Sensui](https://github.com/1000ch)