Update Readme.adoc

Author: lihaoyi

Readme.adoc

@@ -5,14 +5,11 @@
 :toc:
 :link-geny: https://github.com/com-lihaoyi/geny
 :link-oslib: https://github.com/com-lihaoyi/os-lib
-:link-oslib-gitter: https://gitter.im/lihaoyi/os-lib
 :link-upickle-doc: https://com-lihaoyi.github.io/upickle
 :link-scalatags-doc: https://com-lihaoyi.github.io/scalatags/
 :idprefix:
 :idseparator: -
 
-image:{link-oslib}/actions/workflows/run-tests.yml/badge.svg[Build Status,link={link-oslib}/actions]
-image:https://badges.gitter.im/Join%20Chat.svg[Gitter Chat,link={link-oslib-gitter}]
 image:https://img.shields.io/badge/patreon-sponsor-ff69b4.svg[Patreon,link=https://www.patreon.com/lihaoyi]
 image:https://javadoc.io/badge2/com.lihaoyi/os-lib_3/scaladoc.svg[API Docs (Scala 3),link=https://javadoc.io/doc/com.lihaoyi/os-lib_3]