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/RouteEntry.java b/apps/routing-api/src/main/java/org/onosproject/routing/RouteEntry.java
index 4149164..2baf686 100644
--- a/apps/routing-api/src/main/java/org/onosproject/routing/RouteEntry.java
+++ b/apps/routing-api/src/main/java/org/onosproject/routing/RouteEntry.java
@@ -25,7 +25,10 @@
 
 /**
  * Represents a route entry for an IP prefix.
+ *
+ * @deprecated use RouteService instead
  */
+@Deprecated
 public class RouteEntry {
     private final IpPrefix prefix;              // The IP prefix
     private final IpAddress nextHop;            // Next-hop IP address