Remove old docs file, remove docs site ignore

.gitignore

@@ -8,5 +8,4 @@ data/conf/nginx/server_name.active
 data/conf/postfix/sql
 data/conf/dovecot/sql
 data/web/inc/vars.local.inc.php
-site/
 data/assets/ssl

mkdocs.yml

@@ -1,25 +0,0 @@
-site_name: "mailcow: dockerized"
-repo_url: https://github.com/andryyy/mailcow-dockerized
-remote_branch: gh-pages
-theme: material
-extra:
-  social:
-    - type: 'github'
-      link: 'https://github.com/andryyy/mailcow-dockerized'
-  palette:
-    primary: 'indigo'
-    accent: 'yellow'
-  logo: 'images/logo.svg'
-
-markdown_extensions:
-  - admonition
-  - codehilite(guess_lang=true)
-  - footnotes
-  - meta
-  - toc(permalink=true)
-
-pages:
-    - 'This is mailcow': 'index.md'
-    - 'Installation': 'install.md'
-    - 'First Steps': 'first_steps.md'
-    - 'Usage & Examples': 'u_and_e.md'