Remove debug logging in start-impala-cluster.py
Remove debug logging in start-impala-cluster.py

Change-Id: I72366cc877d81e70f04bf32f0938307d459b40fa
Reviewed-on: http://gerrit.cloudera.org:8080/522
Tested-by: Internal Jenkins
Reviewed-by: Martin Grund <2546548d516fa64c411fde8242af35f3f80ad31f@cloudera.com>

cloudera/recordservice,cloudera/recordservice,cloudera/recordservice,cloudera/recordservice,cloudera/recordservice,cloudera/recordservice,cloudera/recordservice