Remove field 'display_label_linkable' from 'external_db' table.
Remove field 'display_label_linkable' from 'external_db' table.

at7/ensembl,james-monkeyshines/ensembl,willmclaren/ensembl,danstaines/ensembl,at7/ensembl,mjg17/ensembl,at7/ensembl,willmclaren/ensembl,muffato/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl,muffato/ensembl,at7/ensembl,danstaines/ensembl,mjg17/ensembl,danstaines/ensembl,mjg17/ensembl,Ensembl/ensembl,Ensembl/ensembl,mjg17/ensembl,muffato/ensembl,Ensembl/ensembl,muffato/ensembl