Clean up the unused hosts and services

Author: ForNeVeR

README.md

@@ -11,7 +11,6 @@ This is a repository dedicated to Codingteam infrastructure maintenance.
 
 We're hosting a set of services:
 
-- XMPP server [![xmpp.net score][badge-xmpp.net]][xmpp.net]
 - [codingteam.org.ru][] site
 - [loglist.xyz][] site
 - [DATA EXPUNGED]
@@ -21,10 +20,6 @@ issue][issues].
 
 Host specification
 ------------------
-
-- [codingteam.org.ru][hosts/ctor]
-- [cthulhu-3][hosts/cthulhu-3]
-- [omnissiah][hosts/omnissiah]
 - [xmpp2][hosts.xmpp2]
 
 Documentation
@@ -37,16 +32,10 @@ The project is distributed under the terms of [the MIT license][docs.license].
 
 The license indication in the project's sources is compliant with the [REUSE specification v3.3][reuse.spec].
 
-[badge-xmpp.net]: https://xmpp.net/badge.php?domain=codingteam.org.ru
 [codingteam.org.ru]: https://codingteam.org.ru
-[devops]: https://ru.wikipedia.org/wiki/DevOps
 [docs.contributing]: CONTRIBUTING.md
 [docs.license]: LICENSES/MIT.txt
 [host.xmpp2]: xmpp2/README.md
-[hosts/cthulhu-3]: cthulhu-3/Host.md
-[hosts/ctor]: ctor/Host.md
-[hosts/omnissiah]: omnissiah/Host.md
 [issues]: https://github.com/codingteam/devops/issues
 [loglist.xyz]: https://loglist.xyz
 [reuse.spec]: https://reuse.software/spec-3.3/
-[xmpp.net]:  https://xmpp.net/result.php?domain=codingteam.org.ru&type=client