Remove translation part from docs links (#3260)

Co-authored-by: Dessalines <dessalines@users.noreply.github.com>

README.md

@@ -30,7 +30,7 @@
     <br />
     <a href="https://join-lemmy.org">Join Lemmy</a>
     ·
-    <a href="https://join-lemmy.org/docs/en/index.html">Documentation</a>
+    <a href="https://join-lemmy.org/docs/index.html">Documentation</a>
     ·
     <a href="https://matrix.to/#/#lemmy-space:matrix.org">Matrix Chat</a>
     ·
@@ -40,7 +40,7 @@
     ·
     <a href="https://github.com/LemmyNet/lemmy/blob/main/RELEASES.md">Releases</a>
     ·
-    <a href="https://join-lemmy.org/docs/en/code_of_conduct.html">Code of Conduct</a>
+    <a href="https://join-lemmy.org/docs/code_of_conduct.html">Code of Conduct</a>
   </p>
 </p>
 
@@ -77,7 +77,7 @@ Each Lemmy server can set its own moderation policy; appointing site-wide admins
 
 - Open source, [AGPL License](/LICENSE).
 - Self hostable, easy to deploy.
-  - Comes with [Docker](https://join-lemmy.org/docs/en/administration/install_docker.html) and [Ansible](https://join-lemmy.org/docs/en/administration/install_ansible.html).
+  - Comes with [Docker](https://join-lemmy.org/docs/administration/install_docker.html) and [Ansible](https://join-lemmy.org/docs/administration/install_ansible.html).
 - Clean, mobile-friendly interface.
   - Only a minimum of a username and password is required to sign up!
   - User avatar support.
@@ -111,8 +111,8 @@ Each Lemmy server can set its own moderation policy; appointing site-wide admins
 
 ## Installation
 
-- [Docker](https://join-lemmy.org/docs/en/administration/install_docker.html)
-- [Ansible](https://join-lemmy.org/docs/en/administration/install_ansible.html)
+- [Docker](https://join-lemmy.org/docs/administration/install_docker.html)
+- [Ansible](https://join-lemmy.org/docs/administration/install_ansible.html)
 
 ## Lemmy Projects
 
@@ -154,9 +154,9 @@ Lemmy is free, open-source software, meaning no advertising, monetizing, or vent
 
 ## Contributing
 
-- [Contributing instructions](https://join-lemmy.org/docs/en/contributors/01-overview.html)
-- [Docker Development](https://join-lemmy.org/docs/en/contributors/03-docker-development.html)
-- [Local Development](https://join-lemmy.org/docs/en/contributors/02-local-development.html)
+- [Contributing instructions](https://join-lemmy.org/docs/contributors/01-overview.html)
+- [Docker Development](https://join-lemmy.org/docs/contributors/03-docker-development.html)
+- [Local Development](https://join-lemmy.org/docs/contributors/02-local-development.html)
 
 ### Translations