Clean up primaryWorkspace stuff

Author: ERSUCC

src/main/InterfaceComponent.scala

@@ -15,7 +15,6 @@ import org.nlogo.compile.Compiler
 import org.nlogo.core.{AgentKind, Model}
 import org.nlogo.gl.view.ViewManager
 import org.nlogo.lite.ProceduresLite
-import org.nlogo.nvm.WorkspaceMirror
 import org.nlogo.sdm.AggregateManagerLite
 import org.nlogo.theme.{ InterfaceColors, ThemeSync }
 import org.nlogo.window.Events.{CompiledEvent, LoadModelEvent}
@@ -46,9 +45,6 @@ with ThemeSync {
 
     val aggregateManager = new AggregateManagerLite
 
-    override def getPrimaryWorkspace: Option[WorkspaceMirror] =
-      Option(this)
-
     override def inspectAgent(agent: APIAgent, radius: Double) = {
       val a = agent.asInstanceOf[Agent]
       monitorManager.inspect(a.kind, a, radius)