refactor(mediatek): remove unused topology version

Remove the topology/armv9 directory as it is no longer in use. The
current ARM v9 platform now utilizes topology/group_4_3_1.

Change-Id: I5fd0266bb3320b5273bfd3b5ecffbfc90fb19664
Signed-off-by: Gavin Liu <gavin.liu@mediatek.com>
1 file changed