remove milestone (#132)

<!-- markdownlint-disable MD041 -->
#### What this PR does / why we need it

#### Which issue(s) this PR is related to
<!--
Usage: `Related to #<issue number>`, or `Related to (paste link of
issue)`.
-->

Signed-off-by: Frederic Wilhelm <frederic.wilhelm@sap.com>

Author: frewilhelm