[CI] Cleanup stale logs for auto-tuning

tests/scripts/task_python_docs.sh

@@ -39,8 +39,9 @@ rm -rf docs/gen_modules
 rm -rf docs/doxygen
 
 # prepare auto scheduler tutorials
-rm -rf tutorials/auto_scheduler/*.json
+find tutorials -type f -path "*.json" | xargs rm -f
 cp -f tutorials/auto_scheduler/ci_logs/*.json tutorials/auto_scheduler
+cp -f tutorials/auto_scheduler/ci_logs/*.json tutorials/get_started
 
 # remove stale tutorials and always build from scratch.
 rm -rf docs/tutorials