Removed temporary description

Author: eunwoo1104

README.md

@@ -17,10 +17,6 @@
    <a href="https://discord.gg/KkgMBVuEkx">Discord Server</a>
 </p>
 
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-Note that `master` branch is in development. **This means the example, etc. in the bottom is not 100% compatible with the release version.**
-For release version, please see [`hotfix-command-register`](https://github.com/eunwoo1104/discord-py-slash-command/tree/hotfix-command-register) branch.
-
 ## About
 Discord Slash Commands are a new implementation for the Bot API that utilize the forward-slash "/" symbol.
 Released on 15 December 2020, many bot developers are still learning to learn how to implement this into