README.md: remove contents field

In a9ccea465e Michał Górny removed the Email Addresses section, but
didn't remove the link in the contents field for the Email Addresses
section. Since after removal only one link in the contents field would
remain. I've removed it outright.

Signed-off-by: AshyPinguin <pinguinlars1105+gentoo@gmail.com>
Part-of: https://codeberg.org/gentoo/guru/pulls/49
Merges: https://codeberg.org/gentoo/guru/pulls/49
Signed-off-by: Michał Górny <mgorny@gentoo.org>

README.md

@@ -8,9 +8,6 @@
 [![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg)](https://wiki.gentoo.org/wiki/Project:GURU/Information_for_Contributors)
 [![chat on libera](https://img.shields.io/badge/chat-on%20libera-brightgreen.svg)](https://web.libera.chat/#gentoo-guru)
 
-<table><tr>
-<td width="68%">
-
 **The official repository for new Gentoo packages, maintained collaboratively by Gentoo users.**
 
 This README contains some additional useful information for GURU contributors, such as common mistakes, frequently asked questions and other tips and tricks.
@@ -19,17 +16,6 @@ The [GURU rules](https://wiki.gentoo.org/wiki/Project:GURU#Rules), and the Gento
 
 *See [wiki.gentoo.org/wiki/Project:GURU](https://wiki.gentoo.org/wiki/Project:GURU) for more information on the project.*
 
-</td>
-<td width="27%" style="border-style:solid; border-radius:10px;">
-
-### Contents
-
-1. [Useful Links](#links)
-2. [Email Addresses](#email)
-
-</td>
-</tr></table>
-
 ## Useful Links <a name="links"></a>
 
 - https://wiki.gentoo.org/wiki/Project:GURU