IMPALA-7440: remove --nlj-filter from stress test
IMPALA-7440: remove --nlj-filter from stress test

This hides the option and makes it a no-op to avoid breaking
any driver scripts that pass in the option.

Testing:
Started local stress test with and without setting the option, confirmed
that it started running queries.

Change-Id: I51dafdfc9dfc9d732cc4fe42aef5719a0593ef1f
Reviewed-on: http://gerrit.cloudera.org:8080/11212
Reviewed-by: Michael Brown <97e4d5d0e400e5ad37382425ea95bde8b3933403@cloudera.com>
Tested-by: Tim Armstrong <2f8e34250f03a653da3dc27f7ec203eafdde80fc@cloudera.com>

cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala