Update eukaryota.pm
Update eukaryota.pm

Removed method 'set_source_id_to_external_name' to revert back to the default behaviour which is to report the display db name in the source field of the gene description.
james-monkeyshines/ensembl,danstaines/ensembl,Ensembl/ensembl,at7/ensembl,mjg17/ensembl,Ensembl/ensembl,Ensembl/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,muffato/ensembl,at7/ensembl,muffato/ensembl,danstaines/ensembl,mjg17/ensembl,danstaines/ensembl,at7/ensembl,Ensembl/ensembl,muffato/ensembl,muffato/ensembl,james-monkeyshines/ensembl,at7/ensembl,mjg17/ensembl,james-monkeyshines/ensembl