7884 can't unconfigure not-yet-booted zone

Reviewed by: Adam Števko  <adam.stevko@gmail.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>

src/brand/system-unconfigure

@@ -79,6 +79,7 @@ disable_ldap() {
   SVCCFG=${ROOTDIR}/usr/sbin/svccfg
   export ROOTDIR SVCCFG_DTD SVCCFG_REPOSITORY SVCCFG
   $SVCCFG -s "network/ldap/client:default" setprop general/enabled=false
+  return 0
 }
 
 reset_hosts() {
@@ -171,8 +172,8 @@ reset_sysding() {
 	SVCCFG_REPOSITORY=$ALTROOT/etc/svc/repository.db \
 	SVCCFG_CONFIGD_PATH=/lib/svc/bin/svc.configd \
 	svccfg -s svc:/system/sysding:system setprop \
-	config/finished=false || \
-    bomb "Failed to reset sysding config/finished property"
+	config/finished=false
+  return 0
 }
 
 reset_vfstab() {