[CDH5] Remove the constraint to not load avro tables for tpcds.

Change-Id: I7e29ccb1db34e671c369d480e2ce7a46264c62c4
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3440
Reviewed-by: Ishaan Joshi <ishaan@cloudera.com>
Tested-by: jenkins