Remove unused import

Author: jmarin

publication/src/main/scala/hmda/publication/reports/disclosure/D51.scala

@@ -6,7 +6,6 @@ import akka.NotUsed
 import akka.stream.scaladsl.Source
 import hmda.model.publication.reports.ApplicantIncomeEnum._
 import hmda.publication.reports._
-import hmda.model.publication.reports.ReportTypeEnum.Disclosure
 import hmda.model.publication.reports._
 import hmda.publication.reports.util.DateUtil._
 import hmda.publication.reports.util.DispositionType._