[JIRA] (OVIRT-1361) Jenkins: review and remove unmaintained plugins

Jenkins: review and remove unmaintained plugins ----------------------------------------------- Key: OVIRT-1361 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1361 Project: oVirt - virtualization made easy Issue Type: Task Reporter: Evgheni Dereveanchin Assignee: Evgheni Dereveanchin Jenkins has several plugins installed that no longer receive updates and have know security issues: ||plugin||details|| |[Build Flow Plugin|https://wiki.jenkins-ci.org/display/JENKINS/Build+Flow+Plugin]|dep..., use of [Pipeline|https://wiki.jenkins-ci.org/display/JENKINS/Pipeline+Plugin] recommended| |[Dynamic Parameter Plug-in|https://wiki.jenkins-ci.org/display/JENKINS/Dynamic+Parameter+Plu... |[PostBuildScript Plugin|https://wiki.jenkins-ci.org/display/JENKINS/PostBuildScript+Plugin... |[Scriptler Plugin|https://wiki.jenkins-ci.org/display/JENKINS/Scriptler+Plugin]|no update yet| Some of them are not used while others are. This ticket is to review and remove plugins if they're not needed.