Fix invalid memory access on resource broker module.

Fix invalid memory access on resource broker module.

remove the duplicated memory access on list.
invalidate callback in deleted instance.
delete useless member variable on ResourcePresence class.

Change-Id: If6b3831fa2355140b23efdafc213615280e336ac
Signed-off-by: jyong2.kim <jyong2.kim@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/1844
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: kwon doil <doil.kwon@samsung.com>
Reviewed-by: Uze Choi <uzchoi@samsung.com>