Update README.md

Author: gjanders

README.md

@@ -360,9 +360,6 @@ Feel free to open an issue on github or use the contact author on the SplunkBase
 
 ## Release Notes
 ### 4.0.1
-New alerts:
-- `IndexerLevel - indexes with unflushed buckets`
-
  New reports:
 - `SearchHeadLevel - Job performance data per indexer handoff time`
 - `SearchHeadLevel - KVStore collection size`