Clean up unused-parameter warnings

Clean up unused-parameter warnings

Commented out the unused parameters to prevent the -Wunused-parameter
in warning in callback functions.

For parameters that are only used in DEBUG mode the OC_UNUSED micro
is used to prevent the unused-parameter waring for the release build.

Change-Id: I72f497b15c95ddd9879bc9b92f97a66259c7e074
Signed-off-by: George Nash <george.nash@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/8979
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Jon A. Cruz <jon@joncruz.org>