elementary/button : Some codes were duplicated in _sub_del and _content_unset_hook.
elementary/button : Some codes were duplicated in _sub_del and
_content_unset_hook.


SVN revision: 69861

tasn/elementary,FlorentRevest/Elementary,rvandegrift/elementary,FlorentRevest/Elementary,tasn/elementary,rvandegrift/elementary,tasn/elementary,rvandegrift/elementary,FlorentRevest/Elementary,tasn/elementary,tasn/elementary,FlorentRevest/Elementary,rvandegrift/elementary