Update README.md

Due to unavailability of CI server remove images temporary

README.md

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 # Downloads
 [![Downloads](https://pepy.tech/badge/pony)](https://pepy.tech/project/pony) [![Downloads](https://pepy.tech/badge/pony/month)](https://pepy.tech/project/pony/month) [![Downloads](https://pepy.tech/badge/pony/week)](https://pepy.tech/project/pony/week)
 
-# Tests
-
-#### PostgreSQL
-Python 2 <a href="http://jenkins.agilecode.io:8111/viewType.html?buildTypeId=GithubPonyORMCi_Python2postgres&guest=1">
-<img src="http://jenkins.agilecode.io:8111/app/rest/builds/buildType:(id:GithubPonyORMCi_Python2postgres)/statusIcon"/>
-</a>
-Python 3 <a href="http://jenkins.agilecode.io:8111/viewType.html?buildTypeId=GithubPonyORMCi_Python3postgres&guest=1">
-<img src="http://jenkins.agilecode.io:8111/app/rest/builds/buildType:(id:GithubPonyORMCi_Python3postgres)/statusIcon"/>
-</a>
-
-#### SQLite
-Python 2 <a href="http://jenkins.agilecode.io:8111/viewType.html?buildTypeId=GithubPonyORMCi_Python2sqlite&guest=1">
-<img src="http://jenkins.agilecode.io:8111/app/rest/builds/buildType:(id:GithubPonyORMCi_Python2sqlite)/statusIcon"/>
-</a>
-Python 3 <a href="http://jenkins.agilecode.io:8111/viewType.html?buildTypeId=GithubPonyORMCi_Python3sqlite&guest=1">
-<img src="http://jenkins.agilecode.io:8111/app/rest/builds/buildType:(id:GithubPonyORMCi_Python3sqlite)/statusIcon"/>
-</a>
-
-#### CockroachDB
-Python 2 <a href="http://jenkins.agilecode.io:8111/viewType.html?buildTypeId=GithubPonyORMCi_Python2cockroach&guest=1">
-<img src="http://jenkins.agilecode.io:8111/app/rest/builds/buildType:(id:GithubPonyORMCi_Python2cockroach)/statusIcon"/>
-</a>
-Python 3 <a href="http://jenkins.agilecode.io:8111/viewType.html?buildTypeId=GithubPonyORMCi_Python3cockroach&guest=1">
-<img src="http://jenkins.agilecode.io:8111/app/rest/builds/buildType:(id:GithubPonyORMCi_Python3cockroach)/statusIcon"/>
-</a>
-
 
 Pony Object-Relational Mapper
 =============================