router: deprecate flag envoy_reloadable_features_async_host_selection and legacy code branches #41538
+5
−17
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Description
This PR removes the deprecated reloadable flag
async_host_selection
and cleans up the legacy paths.Fix #41502
Commit Message: router: deprecate flag async_host_selection and remove legacy code paths
Additional Description: Remove the deprecated reloadable flag
async_host_selection
and cleans up the legacy paths.Risk Level: Low
Testing: CI
Docs Changes: N/A
Release Notes: Added