Remove ensembl compara and funcgen

[julie-sullivan]

The gene and genome scripts use core, and the protein function prediction script uses variation. We never use compara or funcgen.

If you remove compara and funcgen repos, it cuts the size by half and the scripts still work.

before

bash-5.1# du -ms /opt/ensembl/*
61      /opt/ensembl/bioperl-live
93      /opt/ensembl/ensembl
366     /opt/ensembl/ensembl-compara << never used. Remove!
41      /opt/ensembl/ensembl-funcgen << never used. Remove!
1       /opt/ensembl/ensembl-git-tools
228     /opt/ensembl/ensembl-variation
bash-5.1# du -hs /opt/ensembl/
786.9M  /opt/ensembl/

After

bash-5.1# du -ms /opt/ensembl/*
61      /opt/ensembl/bioperl-live
37      /opt/ensembl/ensembl
1       /opt/ensembl/ensembl-git-tools
13      /opt/ensembl/ensembl-io
116     /opt/ensembl/ensembl-variation
bash-5.1# du -ms /opt/ensembl
227     /opt/ensembl