README: Delete the old README content.

This was confusing as it made it look like this project was the right one.

Author: timabbott

README.md

@@ -3,30 +3,3 @@
 This is a dead repository.  
 
 See [zulip-desktop](https://github.com/zulip/zulip-desktop) for the current Zulip desktop app.
-
-[![Build Status](https://travis-ci.org/zulip/zulip-electron.svg?branch=master)](https://travis-ci.org/zulip/zulip-electron)
-[![Windows Build Status](https://ci.appveyor.com/api/projects/status/github/zulip/zulip-electron?branch=master&svg=true)](https://ci.appveyor.com/project/akashnimare/zulip-electron/branch/master)
-[![XO code style](https://img.shields.io/badge/code_style-XO-5ed9c7.svg)](https://github.com/sindresorhus/xo)
-[![project chat](https://img.shields.io/badge/zulip-join_chat-brightgreen.svg)](https://chat.zulip.org)
-
-Desktop client for Zulip. Available for Mac, Linux, and Windows.
-
-<img src="http://i.imgur.com/ChzTq4F.png"/>
-
-# Download
-Please see the [installation guide](https://zulipchat.com/help/desktop-app-install-guide).
-
-# Features
-* Sign in to multiple organizations
-* Desktop notifications with inline reply
-* Tray/dock integration
-* Multi-language spell checker
-* Automatic updates
-
-# Contribute
-
-First, join us on the [Zulip community server](https://zulip.readthedocs.io/en/latest/contributing/chat-zulip-org.html)! 
-Also see our [contribution guidelines](./CONTRIBUTING.md) and our [development guide](./development.md).
-
-# License
-Released under the [Apache-2.0](./LICENSE) license.