Update to improve the performance of the OCRemoveDeviceWithUuid API.

Update to improve the performance of the OCRemoveDeviceWithUuid API.

If linked device not exist when remove the device,
Device discovery is not required.
So I've modify the OCRemoveDeviceWithUuid API
to skip the device discovery in case of linked device not exist.

Change-Id: I004266860f99e9fa22b837a37296fc81743a8cab
Signed-off-by: Chul Lee <chuls.lee@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/13713
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>