fixed bug in removePushDeviceToken, $unset expects a list of properties
fixed bug in removePushDeviceToken, $unset expects a list of properties

mixpanel/mixpanel-iphone,depop/mixpanel-iphone,depop/mixpanel-iphone,mixpanel/mixpanel-iphone,mixpanel/mixpanel-iphone,mixpanel/mixpanel-iphone,carezone/mixpanel-iphone,carezone/mixpanel-iphone,depop/mixpanel-iphone,mixpanel/mixpanel-iphone,depop/mixpanel-iphone