ZhongShengping 5ff7d52781 Remove deprecated rpc_backend param ... Remove the deprecated rpc_backend param which has been deprecated for two years. The default_transport_url has been present for a while now and should be used. Change-Id: I140318c4eaae9aada3e7f6ce904c950a692a06d8		2018-05-24 11:11:11 +08:00
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notes	Remove deprecated rpc_backend param	2018-05-24 11:11:11 +08:00
source	Update reno for stable/queens	2018-02-21 00:17:07 +00:00