Refs #100187, 100188, 100189  Update NEWS to note removal of ping responder.
Refs #100187, 100188, 100189  Update NEWS to note removal of ping responder.

cawka/ndnx,ebollens/ccnmp,ebollens/ccnmp,svartika/ccnx,svartika/ccnx,svartika/ccnx,cawka/ndnx,cawka/ndnx,svartika/ccnx,ebollens/ccnmp,svartika/ccnx,svartika/ccnx,ebollens/ccnmp,svartika/ccnx,cawka/ndnx,cawka/ndnx