Remove lib/util/pass_fail.h.
Remove lib/util/pass_fail.h.

lib/testing/pass_fail.h is used instead of lib/util/pass_fail.h. bsuter moved
util to testing, but svn didn't remove the old file, apparently.

R=bsuter
I=4527053


SteffenGrundmann/avalonsailing,denidoank/avalonsailing,denidoank/avalonsailing,denidoank/avalonsailing,SteffenGrundmann/avalonsailing,denidoank/avalonsailing,denidoank/avalonsailing,SteffenGrundmann/avalonsailing,SteffenGrundmann/avalonsailing,SteffenGrundmann/avalonsailing,SteffenGrundmann/avalonsailing,denidoank/avalonsailing