[broker]Optimized namespace-level dispathcRateLimiter update #15315
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Motivation
Because we have used the
HierarchyTopicPolicies
to store dispatch rate for all levels, there is no need to check topic-level when namespace-level updatingModifications
Remove
getTopicPolicies()
inorg.apache.pulsar.broker.service.persistent.PersistentTopic#onPoliciesUpdate
Verifying this change
Documentation
no-need-doc
(Please explain why)