This feature has never been used, so remove it.
Acked-by: NVasily Gorbik <gor@linux.ibm.com>
Acked-by: NHendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: NVasily Gorbik <gor@linux.ibm.com>