drop unused checkPathStat

We actually have two copies of this junk DNA. Trim it.

Change-Id: I6d3017b2cc13134253284248258879c6140d26de
Signed-off-by: Dan Kenigsberg <danken@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/20673
Reviewed-by: Mark Wu <wudxw@linux.vnet.ibm.com>
Tested-by: Petr Šebek <psebek@redhat.com>
Reviewed-by: Petr Šebek <psebek@redhat.com>