Apparently /proc/self is automatically converted to /proc/@{pid}
before checking rules, which makes spelling it out explicitly
redundant.
Suggested-by: NJamie Strandboge <jamie@canonical.com>
Signed-off-by: NAndrea Bolognani <abologna@redhat.com>
Reviewed-by: NMartin Kletzander <mkletzan@redhat.com>