ci: metrics: disable ksm on global proxy if under metrics
ci: metrics: disable ksm on global proxy if under metrics

If running under the metrics CI, then we want to disable the global
KSM control of the proxy, and control it ourselves.

This is effectively an unwind of #828, that was a touch premature.

Fixes: #910

Signed-off-by: Graham Whaley <95f36e5ac6982f4574a5c449c37cf652e934d2b9@intel.com>

chavafg/tests,chavafg/tests,clearcontainers/tests,devimc/tests,clearcontainers/tests,devimc/tests