HPCC-9769 Java embed not working on Centos5

Remove unneeded and unhelpful references to awt library.

Also remove some unwanted tracing.

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
Merge pull request #4682 from richardkchapman/java-awt-refs

HPCC-9769 Java embed not working on Centos5

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>