Remove old and unused Router code (incl. tests).

Added deprecated tags to a bunch of other objects that will be removed in a
future release

Change-Id: Iee80a260951070c1f280aa1a7755f06349aacb4f
diff --git a/apps/routing-api/src/main/java/org/onosproject/routing/RouteUpdate.java b/apps/routing-api/src/main/java/org/onosproject/routing/RouteUpdate.java
index bac3d71..9f95f3b 100644
--- a/apps/routing-api/src/main/java/org/onosproject/routing/RouteUpdate.java
+++ b/apps/routing-api/src/main/java/org/onosproject/routing/RouteUpdate.java
@@ -23,7 +23,10 @@
 
 /**
  * Represents a change in routing information.
+ *
+ * @deprecated use RouteService instead
  */
+@Deprecated
 public class RouteUpdate {
     private final Type type;                    // The route update type
     private final RouteEntry routeEntry;        // The updated route entry