sp: remove a dangling _saveReconnectInformation

A reordering of patches left a dangling _saveReconnectInformation in the
StoragePool class. It should have been removed with:

 6fd14dd sp: remove automatic storage pool reconnection

Change-Id: I603015751a8ccf0ebcd088e0b36ce3cfe95c1d62
Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/22823
Reviewed-by: Dan Kenigsberg <danken@redhat.com>