client: Small tweaks

client/src/main/kotlin/com/r3corda/client/fxutils/EventStreamFold.kt

@@ -1,38 +0,0 @@
-package com.r3corda.client.fxutils
-
-import javafx.application.Platform
-import javafx.beans.property.SimpleObjectProperty
-import javafx.beans.value.ObservableValue
-import javafx.collections.FXCollections
-import javafx.collections.ObservableList
-import rx.Observable
-
-/**
- * Simple utilities for converting an [rx.Observable] into an [ObservableValue]/[ObservableList]
- */
-
-fun <A, B> Observable<A>.foldToObservable(initial: B, folderFun: (A, B) -> B): ObservableValue<B> {
-    val result = SimpleObjectProperty<B>(initial)
-    subscribe {
-        Platform.runLater {
-            result.set(folderFun(it, result.get()))
-        }
-    }
-    return result
-}
-
-fun <A, B, C> Observable<A>.foldToObservableList(
-        initialAccumulator: C, folderFun: (A, C, ObservableList<B>) -> C
-): ObservableList<B> {
-    val result = FXCollections.observableArrayList<B>()
-    /**
-     * This capture is fine, as [Platform.runLater] runs closures in order
-     */
-    var currentAccumulator = initialAccumulator
-    subscribe {
-        Platform.runLater {
-            currentAccumulator = folderFun(it, currentAccumulator, result)
-        }
-    }
-    return result
-}