Added delete key in setting controllers

Change-Id: I82484d0a94d74cf42a68647310e37611e15a62b6
diff --git a/core/src/main/java/de/ids_mannheim/korap/user/User.java b/core/src/main/java/de/ids_mannheim/korap/user/User.java
index 5decd6a..7aa4f57 100644
--- a/core/src/main/java/de/ids_mannheim/korap/user/User.java
+++ b/core/src/main/java/de/ids_mannheim/korap/user/User.java
@@ -37,7 +37,7 @@
     private ParamFields fields;
     @Getter(AccessLevel.PRIVATE)
     @Setter(AccessLevel.PRIVATE)
-    private UserSettings settings;
+    private UserSettingProcessor settings;
     //todo: remove!
     @Getter(AccessLevel.PRIVATE)
     @Setter(AccessLevel.PRIVATE)