removed unused field result, as it is unneccessary

Author: SergeMerzliakov

src/main/kotlin/org/epistatic/app5/controller/CustomDialog.kt

@@ -28,8 +28,6 @@ import javafx.stage.Stage
  */
 abstract class CustomDialog<T>(ownerStage: Stage, title: String) {
 
-   private var result: T? = null
-
    var stage: Stage = Stage()
 
    init {