x86/xen: don't count how many PFNs are identity mapped
x86/xen: don't count how many PFNs are identity mapped

This accounting is just used to print a diagnostic message that isn't
very useful.

Signed-off-by: David Vrabel <b9d45bd1f671e508cd8daa63dfc3cabb597562df@citrix.com>
Reviewed-by: Juergen Gross <29bbaec13092d36559e3abc6f27f7d09c395819f@suse.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs