allow assign cinder role without backend

file.patch

--- cinder.json.back	2017-02-27 09:39:25.144547732 +0000
+++ cinder.json	2017-02-27 15:58:21.409183930 +0000
@@ -2,10 +2,6 @@
     "meta": {
         "restrictions": [
             {
-                "message": "Cinder LVM should be enabled in the environment settings.",
-                "condition": "settings:storage.volumes_lvm.value == false"
-            },
-            {
                 "message": "Ceph RBD cannot be used with Cinder",
                 "condition": "settings:storage.volumes_ceph.value == true"
             }
@@ -26,10 +22,6 @@
         {
             "id": "os",
             "allocate_size": "min"
-        },
-        {
-            "id": "cinder",
-            "allocate_size": "all"
         }
     ]
 }