remove logs for CI

Author: poorbarcode

bookkeeper-server/src/main/java/org/apache/bookkeeper/bookie/BookieStateManager.java

@@ -267,7 +267,6 @@ public boolean isShuttingDown(){
 
     @Override
     public void close() {
-        LOG.warn("Closing BookieStateManager", new Exception("test CI"));
         this.running = false;
         stateService.shutdown();
     }