[IOT-2539] clean unused-variable warning

[IOT-2539] clean unused-variable warning

The global variable are not being used because the code that
uses them was blocked out using #if 0 till IOT-2106 is fixed.

The variables have also been blocked out same as the code
that was using the variables.

Bug: https://jira.iotivity.org/browse/IOT-2539
Bug: https://jira.iotivity.org/browse/IOT-2106
Change-Id: I6f6289c3a34a83e69a2ac7918086d3752e7fd93e
Signed-off-by: George Nash <george.nash@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/21705
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Dan Mihai <Daniel.Mihai@microsoft.com>
(cherry picked from commit dca9520b255d9bb19a0406b4bd730e4120c81a96)