Don't specify -lrt for integration test.
Don't specify -lrt for integration test.

- We do that with AC_CHECK_LIB([rt]) in configure.ac

Change-Id: If664cddb716e1bc3449b378fec39d0d46d0f8244
Signed-off-by: Christopher M. Cantalupo <9cf3ecca60a3dd7112ab0e7250bedb8a752e3958@intel.com>

sssylvester/geopm,geopm/geopm,geopm/geopm,cmcantalupo/geopm,geopm/geopm,geopm/geopm,sssylvester/geopm,cmcantalupo/geopm,sssylvester/geopm,cmcantalupo/geopm,cmcantalupo/geopm,geopm/geopm,cmcantalupo/geopm,sssylvester/geopm