Merge PR #27021 into master

* refs/pull/27021/head:
	msg: remove XioMessenger
	qa/suites/rados/thrash-old-clients: add nautilus
	qa/suites/rados/thrash-old-clients: add mimic v1 variant
	qa/suites/rados/thrash-old-clients: add mimic
	qa/suites/rados/thrash-old-clients: collapse msgr and client choice
	qa: remove simplemessenger tests
	ceph_test_msgr: remove simple
	msg: remove SimpleMessenger

Reviewed-by: xie xingguo <xie.xingguo@zte.com.cn>
Reviewed-by: Matt Benjamin <mbenjami@redhat.com>
Reviewed-by: Kefu Chai <kchai@redhat.com>

diff --cc .githubmap
index 601854cddc74587be9b6a3d0d940198c26bdd669,601854cddc74587be9b6a3d0d940198c26bdd669..ce99e7ac7ec0a4488d6ed27c4dbf607f8958f2f3
--- 1/.githubmap
--- 2/.githubmap
+++ b/.githubmap
@@@ -95,3 -95,3 +95,4 @@@ b-ranto Boris Ranto <branto@redhat.com
  yuvalif Yuval Lifshitz <ylifshit@redhat.com>
  mikechristie Mike Christie <mchristi@redhat.com>
  andrewschoen Andrew Schoen <aschoen@redhat.com>
++mattbenjamin Matt Benjamin <mbenjami@redhat.com>

diff --cc CMakeLists.txt
Simple merge

diff --cc src/CMakeLists.txt
Simple merge

diff --cc src/common/legacy_config_opts.h
Simple merge

diff --cc src/common/options.cc
Simple merge

diff --cc src/msg/Message.cc
Simple merge

diff --cc src/msg/Message.h
Simple merge

diff --cc src/test/CMakeLists.txt
Simple merge