Remove references to x.com

I'd prefer to not support it any longer, so remove references to it for starters.
Only the account ownership entry in accounts.md remains.

README.md

@@ -5,8 +5,6 @@
   -->
   <a title="GitHub Actions" href="https://github.com/msys2/msys2.github.io/actions?query=workflow%3Agithub%20pages"><img alt="github pages' workflow Status" src="https://img.shields.io/github/actions/workflow/status/msys2/msys2.github.io/main.yml?branch=main&longCache=true&style=flat-square&label=build&logo=github"></a><!--
   -->
-  <a title="Follow msys2org on X" href="https://x.com/msys2org"><img src="https://img.shields.io/twitter/follow/msys2org?style=flat-square&logo=x&logoColor=white&color=31A4F1"></a><!--
-  -->
   <a title="Follow msys2org on Mastodon" href="https://fosstodon.org/@msys2org"><img src="https://img.shields.io/mastodon/follow/109365079526574177?color=000197&domain=https%3A%2F%2Ffosstodon.org%2F&logo=mastodon&logoColor=white&style=flat-square"></a><!--
   -->
   <a title="Join the community on Discord" href="https://discord.com/invite/jPQdRdDcT9"><img src="https://img.shields.io/discord/792780131906617355?color=5865F2&label=Discord&logo=discord&logoColor=white&style=flat-square"></a><!--

mkdocs.yml

@@ -55,8 +55,6 @@ extra:
           link: 'https://discord.gg/jPQdRdDcT9'
         - icon: 'fontawesome/brands/bluesky'
           link: 'https://bsky.app/profile/msys2org.bsky.social'
-        - icon: 'fontawesome/brands/x-twitter'
-          link: 'https://x.com/msys2org'
 
 site_url: https://www.msys2.org
 repo_url: https://github.com/msys2/msys2.github.io

web/contact.md

@@ -4,7 +4,6 @@
 *   talk and get help in our [Discord server](https://discord.gg/jPQdRdDcT9)
 *   search for and file [issues for msys2 packages on GitHub](https://github.com/msys2/msys2-packages/issues)
 *   search for and file [issues for mingw-w64 packages on GitHub](https://github.com/msys2/mingw-packages/issues)
-*   follow our [X account](https://x.com/msys2org)
 *   follow our [Mastodon account](https://fosstodon.org/@msys2org)
 *   follow our [Bluesky account](https://bsky.app/profile/msys2org.bsky.social)
 *   [less active] talk in our [Matrix room](https://matrix.to/#/#msys2_msys2:gitter.im), bridged to our Discord server

web/news.md

@@ -3,7 +3,7 @@ summary: Important events happening.
 ---
 # News
 
-This page lists important changes or issues affecting MSYS2 users. We also post them to [X](https://x.com/msys2org) / [Mastodon](https://fosstodon.org/@msys2org) / [Bluesky](https://bsky.app/profile/msys2org.bsky.social), including some not-so-important things :)
+This page lists important changes or issues affecting MSYS2 users. We also post them to [Mastodon](https://fosstodon.org/@msys2org) / [Bluesky](https://bsky.app/profile/msys2org.bsky.social), including some not-so-important things :)
 
 ### 2024-11-09 - Python 3.12 Update
 
@@ -128,7 +128,7 @@ back to normal.
 * Old IP: `178.63.98.68`
 * New IP: `88.99.69.85`
 
-Many thanks to [Dmitriy Akulov](https://x.com/jimaek) of
+Many thanks to [Dmitriy Akulov](https://dakulov.com) of
 [jsDelivr](https://www.jsdelivr.com/) and
 [Globalping](https://www.jsdelivr.com/globalping) for helping us diagnose the
 problem and generously providing us with a new server.