MINOR Removed unknown "cancel draft" button icon (fixes #7333)
MINOR Removed unknown "cancel draft" button icon (fixes #7333)

dhensby/silverstripe-reports,silverstripe-labs/silverstripe-reports,silverstripe-labs/silverstripe-reports,silverstripe/silverstripe-siteconfig,helpfulrobot/i-lateral-silverstripe-siteconfig,silverstripe/silverstripe-cms,dhensby/silverstripe-cms,silverstripe/silverstripe-cms,jonom/silverstripe-cms,jonom/silverstripe-cms,dhensby/silverstripe-cms,dhensby/silverstripe-reports,dhensby/silverstripe-cms