s390: remove IBM_PARTITION and CONFIGFS_FS from zfcpdump defconfig

Remove by zfcpdump unused CONFIG_IBM_PARTITION and CONFIG_CONFIGFS_FS.

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Steffen Maier <maier@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>