'maxage' is not really used at any place. remove it, as this makes the code cleaner Change-Id: I6f10b4ab91fc57640336db1832716ca9012eb241 Reviewed-on: https://forge.frm2.tum.de/review/20347 Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de> Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de> Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>