Removed unused macro.
Removed unused macro.

Cleaned up the definition of an unused macro in occlientcb.c.

Change-Id: Id43fcb3df6140dea11fa76cd59519b007af90974
Signed-off-by: Joseph Morrow <74b1946a3796b7d1c8ad79fee44616e505fb0cee@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/492
Tested-by: jenkins-iotivity <09cb29e8a2b473a2c978382eec13ee06fa017bda@opendaylight.org>
Reviewed-by: Erich Keane <ec9f61fe526c14bb62c55d7c978f025ee6b3583d@intel.com>

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