core: prevent persistence of runtime NUMA info

NUMA runtime info is shown wrongfully (bug 1100202),
also causes double pinning on the same node (bug fix).

This patch removes the persistence of NUMA runtime info, till
it gets resolved.

Change-Id: Ic87e09d1afae2e577f5a03ebaccc12a32ccf7681
Bug-Url: https://bugzilla.redhat.com/1147880
Signed-off-by: Gilad Chaplik <gchaplik@redhat.com>