The patch to clean up 70-anaconda.rules:
is present in anaconda-13.21.50-9.el6.
According to pknirsh this patch is not needed anymore:
The original bug is already VERIFIED:
Moving this one to VERIFIED.
Red Hat Enterprise Linux Beta 2 is now available and should resolve
the problem described in this bug report. This report is therefore being closed
with a resolution of CURRENTRELEASE. You may reopen this bug report if the
solution does not work for you.