iniset_rpc_backend default section

iniset_rpc_backend should know what section it needs to set the
config options in better than the callers. The config options
have actually been moved to different sections and the options
in the DEFAULT section are deprecated.

Change-Id: I0e07fe03c7812ef8df49e126bf71c57588635639
diff --git a/lib/glance b/lib/glance
index eb1df2e..8400ca1 100755
--- a/lib/glance
+++ b/lib/glance
@@ -112,7 +112,7 @@
     if is_service_enabled qpid || [ -n "$RABBIT_HOST" ] && [ -n "$RABBIT_PASSWORD" ]; then
         iniset $GLANCE_REGISTRY_CONF DEFAULT notification_driver messaging
     fi
-    iniset_rpc_backend glance $GLANCE_REGISTRY_CONF DEFAULT
+    iniset_rpc_backend glance $GLANCE_REGISTRY_CONF
 
     cp $GLANCE_DIR/etc/glance-api.conf $GLANCE_API_CONF
     iniset $GLANCE_API_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
@@ -125,7 +125,7 @@
     if is_service_enabled qpid || [ -n "$RABBIT_HOST" ] && [ -n "$RABBIT_PASSWORD" ]; then
         iniset $GLANCE_API_CONF DEFAULT notification_driver messaging
     fi
-    iniset_rpc_backend glance $GLANCE_API_CONF DEFAULT
+    iniset_rpc_backend glance $GLANCE_API_CONF
     if [ "$VIRT_DRIVER" = 'xenserver' ]; then
         iniset $GLANCE_API_CONF DEFAULT container_formats "ami,ari,aki,bare,ovf,tgz"
         iniset $GLANCE_API_CONF DEFAULT disk_formats "ami,ari,aki,vhd,raw,iso"