[POWERPC] Remove unused code causing a compile warning

AFAICT, nobody is using ft_ordered(), and it causes a build warning
to be generated.  This patch cleans that up by removing the function
and the commented-out code that calls it.

Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>