Deprecated OpticalLinkProvider.

Change-Id: Iabfcfc676c0da193a2529f094ad02d3d0ac2509f
diff --git a/apps/optical/src/main/java/org/onosproject/optical/OpticalLinkProvider.java b/apps/optical/src/main/java/org/onosproject/optical/OpticalLinkProvider.java
index 900fe40..b198027 100644
--- a/apps/optical/src/main/java/org/onosproject/optical/OpticalLinkProvider.java
+++ b/apps/optical/src/main/java/org/onosproject/optical/OpticalLinkProvider.java
@@ -46,7 +46,10 @@
 /**
  * Ancillary provider to activate/deactivate optical links as their respective
  * devices go online or offline.
+ *
+ * @deprecated in Goldeneye (1.6.0)
  */
+@Deprecated
 @Component(immediate = true)
 public class OpticalLinkProvider extends AbstractProvider implements LinkProvider {