Removed GO ancestor tree construction on enrichment analysis, taking too much time and feature is not used.
Removed GO ancestor tree construction on enrichment analysis, taking too much time and feature is not used.

lotusbase/lotus.au.dk,lotusbase/lotus.au.dk,lotusbase/lotus.au.dk,lotusbase/lotus.au.dk,lotusbase/lotus.au.dk,lotusbase/lotus.au.dk,lotusbase/lotus.au.dk