IMPALA-3852: Remove Derby and Shiro FE dependencies
IMPALA-3852: Remove Derby and Shiro FE dependencies

Neither of these dependencies are apparently needed by the FE, and so
should be removed to make Impala's packages smaller.

Testing: Passed a clean data-load build and an exhaustive test run.

Change-Id: Ib337bf51150089d6441d1e63119e8598fd85efec
Reviewed-on: http://gerrit.cloudera.org:8080/3624
Reviewed-by: Alex Behm <fe1626037acfc2dc542d2aa723a6d14f2464a20c@cloudera.com>
Tested-by: Internal Jenkins

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