Merge pull request ceph#57987 from joscollin/wip-B64752-valgrind-report-leaks

qa/suites: drop --show-reachable=yes from fs:valgrind tests

Reviewed-by: Venky Shankar <[email protected]>

Author: vshankar

qa/suites/fs/valgrind/mirror/cephfs-mirror/one-per-cluster.yaml

@@ -4,4 +4,4 @@ meta:
 tasks:
 - cephfs-mirror:
     client: client.mirror
-    valgrind: [--tool=memcheck, --leak-check=full, --show-reachable=yes]
+    valgrind: [--tool=memcheck, --leak-check=full]