[PRD-4189] Make ant delete quiet so it won't fail if libraries do not exist
[PRD-4189] Make ant delete quiet so it won't fail if libraries do not exist

EgorZhuk/pentaho-reporting,mbatchelor/pentaho-reporting,EgorZhuk/pentaho-reporting,mbatchelor/pentaho-reporting,mbatchelor/pentaho-reporting,EgorZhuk/pentaho-reporting,mbatchelor/pentaho-reporting,EgorZhuk/pentaho-reporting