Modify logic for related Topic.

Modify logic for related Topic.

This patch included
add OCDoReponse for NSEntityHandlerTopicCb.
add DeleteConsumerTopicList.
When the topic entityhandler OC_REST_POST is requested,
the function is called NSPostConsumerTopics.
At this time, delete a list of consumer who have a provider,
and make a new selection topiclist.

second patch included.
modify comment out.

Change-Id: Ib5eba3809dfc199bc2ab93008e32591da1312060
Signed-off-by: jaesick.shin <jaesick.shin@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/10773
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Tested-by: Uze Choi <uzchoi@samsung.com>