Fix for ONOS-6041

Change-Id: I560f2ed2da811d00ec5911bfcbe47cc15d72aa6c
diff --git a/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java b/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
index 4e6c05d..8d6c50c 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
@@ -1643,7 +1643,8 @@
 
     private void handleRemoveRequest(DeviceId did) {
         try {
-            removeDevice(did);
+            DeviceEvent event = removeDevice(did);
+            notifyDelegateIfNotNull(event);
         } catch (Exception e) {
             log.warn("Exception thrown handling device remove", e);
         }