Revert "qa/config/crimson_qa_overrides: adjust mgr_stats_period"

This reverts commit 752b4c6.

Fixes: https://tracker.ceph.com/issues/62162
Signed-off-by: NitzanMordhai <[email protected]>

Author: NitzanMordhai

qa/config/crimson_qa_overrides.yaml

@@ -9,8 +9,6 @@ overrides:
         osd pool default crimson: true
       osd:
         crimson osd obc lru size: 10
-      mgr:
-        mgr stats period: 30
     flavor: crimson
   workunit:
     env: