idl: Remove FIXME comment in datamodel_pool

Signed-off-by: Christian Pardillo Laursen <christian.pardillolaursen@citrix.com>

Author: cplaursen

ocaml/idl/datamodel_pool.ml

@@ -5,8 +5,7 @@ open Datamodel_types
 let operations =
   Enum
     ( "pool_allowed_operations"
-    , (* FIXME: This should really be called `pool_operations`, to avoid confusion with the Pool.allowed_operations field *)
-      [
+    , [
         ("ha_enable", "Indicates this pool is in the process of enabling HA")
       ; ("ha_disable", "Indicates this pool is in the process of disabling HA")
       ; ( "cluster_create"