Removed obsolete browser workarounds for @keyframes in `pluginSetupWizard.less` (#7371)
Removed obsolete browser workarounds for @keyframes in `pluginSetupWizard.less` (#7371)

removed obsolete browser workarounds for @keyframes
jenkinsci/jenkins,daniel-beck/jenkins,jenkinsci/jenkins,jenkinsci/jenkins,daniel-beck/jenkins,MarkEWaite/jenkins,jenkinsci/jenkins,MarkEWaite/jenkins,MarkEWaite/jenkins,daniel-beck/jenkins,jenkinsci/jenkins,jenkinsci/jenkins,daniel-beck/jenkins,daniel-beck/jenkins,MarkEWaite/jenkins,MarkEWaite/jenkins,jenkinsci/jenkins,MarkEWaite/jenkins,daniel-beck/jenkins,daniel-beck/jenkins,jenkinsci/jenkins,daniel-beck/jenkins,MarkEWaite/jenkins,MarkEWaite/jenkins