Clean up README formatting

Removed unnecessary closing div tag from README.

Author: chris1111

.github/README.md

@@ -4,8 +4,6 @@
 
 # CloverBootloader
 
-</div>
-
 [![CI](https://github.com/CloverHackyColor/CloverBootloader/actions/workflows/main.yml/badge.svg)](https://github.com/CloverHackyColor/CloverBootloader/actions/workflows/main.yml) [![License](https://img.shields.io/badge/License-BSD%202--Clause-orange.svg)](https://github.com/CloverHackyColor/CloverBootloader/blob/master/LICENSE) 
 
 Bootloader for macOS, Windows and Linux in UEFI and in legacy mode