Removed unused function. Fixed trigger and on functions.
Removed unused function. Fixed trigger and on functions.

jillix/jQuery-form-serializer,amininus/jQuery-form-serializer,janusnic/jQuery-form-serializer,amininus/jQuery-form-serializer,janusnic/jQuery-form-serializer,carabina/jQuery-form-serializer,carabina/jQuery-form-serializer,jillix/jQuery-form-serializer