HID: sony: remove DualShock4 support.

Now that hid-playstation provides DualShock4 support, remove
DualShock4 support from hid-sony as it is redundant.
Signed-off-by: NRoderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>