Remove leftover code from failed attempt

Author: bodom0015

app/api/Extractions.scala

@@ -17,7 +17,7 @@ import play.api.libs.json.Json._
 import play.api.libs.json._
 import play.api.libs.ws.{Response, WS}
 import play.api.libs.functional.syntax._
-import play.api.mvc.{Action, MultipartFormData, Result, SimpleResult}
+import play.api.mvc.MultipartFormData
 import services._
 
 import scala.collection.mutable.ListBuffer

app/models/Extraction.scala

@@ -215,13 +215,3 @@ object ExtractorsLabel {
       (JsPath \ "extractors").read[List[String]].orElse(Reads.pure(List.empty))
     )(ExtractorsLabel.apply _)
 }
-
-case class LabelAssignment (
-                            extractorId: UUID,
-                            labelId: UUID
-                          )
-
-object LabelAssignment {
-  implicit val writes = Json.writes[LabelAssignment]
-  implicit val reads = Json.reads[LabelAssignment]
-}

app/services/mongodb/MongoDBExtractorService.scala

@@ -310,13 +310,6 @@ object ExtractorsLabelDAO extends ModelCompanion[ExtractorsLabel, ObjectId] {
   }
 }
 
-object LabelAssignmentDAO extends ModelCompanion[LabelAssignment, ObjectId] {
-  val dao = current.plugin[MongoSalatPlugin] match {
-    case None => throw new RuntimeException("No MongoSalatPlugin");
-    case Some(x) => new SalatDAO[LabelAssignment, ObjectId](collection = x.collection("extractors.labels.assignments")) {}
-  }
-}
-
 object ExtractorsForInstanceDAO extends ModelCompanion[ExtractorsForInstance, ObjectId] {
   val dao = current.plugin[MongoSalatPlugin] match {
     case None => throw new RuntimeException("No MongoSalatPlugin");