remove jk10's change (v1.125) because Bio::EnsEMBL::ExternalData::DAS::SourceParser doesn't export
remove jk10's change (v1.125) because Bio::EnsEMBL::ExternalData::DAS::SourceParser doesn't export

Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode