event/octeontx: remove unnecessary port start and stop
event/octeontx: remove unnecessary port start and stop

Modifying port state is not necessary when starting/stopping Rx adapter
as it is same as starting/stopping ethdev.

Fixes: 45a914c5bd71 ("event/octeontx: support event Rx adapter")
Cc: stable@dpdk.org

Signed-off-by: Pavan Nikhilesh <8184a94f8f7778086ea0697cdb513b2e42813b09@caviumnetworks.com>
Acked-by: Jerin Jacob <5bca7d2a432bc0f5422b70b2701a4e4fa32edd00@caviumnetworks.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk