Remove superfluous Hive Metastore integration test.
Remove superfluous Hive Metastore integration test.

Removes the test test_impala_sees_hive_tables_and_dbs
in test_metadata_query_statements.py

The same scenarios are covered in test_hms_integration.py

Change-Id: I5706c375a490ee9e8ea095458ca208a116687277
Reviewed-on: http://gerrit.cloudera.org:8080/4334
Reviewed-by: Alex Behm <fe1626037acfc2dc542d2aa723a6d14f2464a20c@cloudera.com>
Tested-by: Internal Jenkins

michaelhkw/incubator-impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala