doc: make the deprecation messages consistent
The deprecation messages in the documentations should be in the format
Stability: 0 - Deprecated: Use [alternate] instead.so that they will be consistent.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
The deprecation messages in the documentations should be in the format
Stability: 0 - Deprecated: Use [alternate] instead.so that they will be consistent.