Merge PR #23223 into master

* refs/pull/23223/head:
	osd/PG: kill dead functions and related options
	iosd/osd_type: kill unused input ec_pool for iterate_mayberw_back_to
	common: kill dead options
	osd/PG: do not initialize up/acting twice
	osd/PG: clear missing_loc properly if last location is gone

Reviewed-by: Sage Weil <sage@redhat.com>

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

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

diff --cc src/osd/PG.cc
Simple merge

diff --cc src/osd/PG.h
Simple merge