DnD: remove from elm_cnp code specific to elm_entry
DnD: remove from elm_cnp code specific to elm_entry

The tag insertion has to be done only from elm_entry callback. elm_cnp
is not supposed to know what will be done with the data.

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