Fix syncer - make sure local role assignments without "is_remote" attribute are correctly deleted when syncing user role assignments.
Fix syncer - make sure local role assignments without "is_remote" attribute are
correctly deleted when syncing user role assignments.

nzlosh/st2,Plexxi/st2,StackStorm/st2,nzlosh/st2,tonybaloney/st2,nzlosh/st2,StackStorm/st2,nzlosh/st2,tonybaloney/st2,Plexxi/st2,Plexxi/st2,StackStorm/st2,Plexxi/st2,StackStorm/st2,tonybaloney/st2