Disable compilation of IoTivity Services for iOS
Disable compilation of IoTivity Services for iOS

As this is already disabled for Darwin, it should be disabled for iOS as
well.

Change-Id: Id1c984bfb3bb32896227721ad620904b92d7f2dd
Signed-off-by: Trevor Bramwell <9318f446584e3f6cf68dea37a1a9fde63cb30ce1@linuxfoundation.org>
Reviewed-on: https://gerrit.iotivity.org/gerrit/4817
Tested-by: jenkins-iotivity <09cb29e8a2b473a2c978382eec13ee06fa017bda@opendaylight.org>
Reviewed-by: Uze Choi <3a26c91d8a4a3c9e246e43339f4782bb2483aece@samsung.com>

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