sparc: Remove remaining defconfig references to the pktcdvd driver

Commit 1cea518 ("block: remove pktcdvd driver") left behind some
CONFIG_CONFIG_CDROM_PKTCDVD* references in defconfigs. Remove them.

Signed-off-by: Catalin Iacob <iacobcatalin@gmail.com>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>

Author: cataliniacob

arch/sparc/configs/sparc64_defconfig

@@ -60,8 +60,6 @@ CONFIG_CONNECTOR=m
 CONFIG_BLK_DEV_LOOP=m
 CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
-CONFIG_CDROM_PKTCDVD=m
-CONFIG_CDROM_PKTCDVD_WCACHE=y
 CONFIG_ATA_OVER_ETH=m
 CONFIG_SUNVDC=m
 CONFIG_ATA=y