Removed the defines needed by util/ack/em_pc.c. These defaults are now provided in lib/ack/fe.
Removed the defines needed by util/ack/em_pc.c.
These defaults are now provided in lib/ack/fe.

Godzil/ack,Godzil/ack,Godzil/ack,Godzil/ack,Godzil/ack