Don't use mk-s390-cdboot (dhorak)

Anaconda dropped the mk-s390-cdboot tool, so we can't call it in lorax.

share/s390.tmpl

@@ -4,7 +4,6 @@ configdir="tmp/config_files/s390"
 BOOTDIR="images"
 KERNELDIR=BOOTDIR
 INITRD_ADDRESS="0x02000000"
-MKCDBOOT="usr/libexec/anaconda/mk-s390-cdboot"
 # The assumption seems to be that there is only one s390 kernel, ever
 kernel = kernels[0]
 %>
@@ -32,10 +31,3 @@ createaddrsize ${INITRD_ADDRESS} ${outroot}/${BOOTDIR}/initrd.img ${outroot}/${B
 treeinfo images-${basearch} initrd.addrsize ${BOOTDIR}/initrd.addrsize
 treeinfo images-${basearch} generic.prm ${BOOTDIR}/generic.prm
 treeinfo images-${basearch} generic.ins generic.ins
-
-## make cdboot.img
-runcmd ${MKCDBOOT} \
-       -i ${outroot}/${kernel.path} \
-       -r ${outroot}/${kernel.initrd.path} \
-       -p ${outroot}/${BOOTDIR}/generic.prm \
-       -o ${outroot}/${BOOTDIR}/cdboot.img