mgr/dashboard: Remove RBD_FEATURE_OPERATIONS support

Mimic introduced RBD_FEATURE_OPERATIONS feature (PR ceph#19903),
which dashboard_v2 supports. This was backported by 3c175d2
(a cherry-pick of 5056cba). This change disables that support, as
long as there's no plan to backport that RBD feature.

Signed-off-by: Ernesto Puerta <epuertat@redhat.com>

src/pybind/mgr/dashboard/controllers/rbd.py

@@ -22,7 +22,6 @@ class Rbd(RESTController):
         rbd.RBD_FEATURE_DEEP_FLATTEN: "deep-flatten",
         rbd.RBD_FEATURE_JOURNALING: "journaling",
         rbd.RBD_FEATURE_DATA_POOL: "data-pool",
-        rbd.RBD_FEATURE_OPERATIONS: "operations",
     }
 
     def __init__(self):