Remove unused dependencies to RD LIB

Remove unused dependencies to RD LIB

Change-Id: Id40c4b20433ad5e514657495ffac17fee6df61db
Signed-off-by: Dan Mihai <Daniel.Mihai@microsoft.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/18773
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Kevin Kane <kkane@microsoft.com>
Reviewed-by: Jaehong Jo <jaehong.jo@samsung.com>
Reviewed-by: Todd Malsbary <todd.malsbary@intel.com>
Reviewed-by: Mike Fenelon <mike.fenelon@microsoft.com>