[ci skip] clean-up CI badges

readme.md

@@ -1,12 +1,6 @@
 # <img src="https://raw.githubusercontent.com/nim-lang/assets/master/Art/logo-crown.png" height="28px"/> Nim
 
-devel: [![Build Status](https://dev.azure.com/nim-lang/Nim/_apis/build/status/nim-lang.Nim?branchName=devel)](https://dev.azure.com/nim-lang/Nim/_build/latest?definitionId=1&branchName=devel)
-1.0: [![Build Status](https://dev.azure.com/nim-lang/Nim/_apis/build/status/nim-lang.Nim?branchName=version-1-0)](https://dev.azure.com/nim-lang/Nim/_build/latest?definitionId=1&branchName=version-1-0)
-1.2: [![Build Status](https://dev.azure.com/nim-lang/Nim/_apis/build/status/nim-lang.Nim?branchName=version-1-2)](https://dev.azure.com/nim-lang/Nim/_build/latest?definitionId=1&branchName=version-1-2)
-freebsd: [![builds.sr.ht freebsd status](https://builds.sr.ht/~araq/nim/freebsd.yml.svg)](https://builds.sr.ht/~araq/nim/freebsd.yml?)
-openbsd: [![builds.sr.ht openbsd status](https://builds.sr.ht/~araq/nim/openbsd.yml.svg)](https://builds.sr.ht/~araq/nim/openbsd.yml?)
-ssl: ![](https://github.com/nim-lang/Nim/workflows/Nim%20SSL%20CI/badge.svg)
-docs: ![](https://github.com/nim-lang/Nim/workflows/Nim%20Docs%20CI/badge.svg)
+[![Build Status](https://dev.azure.com/nim-lang/Nim/_apis/build/status/nim-lang.Nim?branchName=devel)](https://dev.azure.com/nim-lang/Nim/_build/latest?definitionId=1&branchName=devel)
 
 This repository contains the Nim compiler, Nim's stdlib, tools and documentation.
 For more information about Nim, including downloads and documentation for