Implement an option in CPRM to reprogram the flows when device reconnecting

Also remove unused AsyncDeviceFetcher in FibInstaller

Change-Id: I52e778a51854efd6bfe47c56569efa5c27d7c7fb
diff --git a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
index 0e444fd..dc3f358 100644
--- a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
+++ b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
@@ -360,7 +360,8 @@
                                       "arpEnabled", "false");
         compCfgService.preSetProperty("org.onosproject.net.host.impl.HostManager",
                                       "greedyLearningIpv6", "true");
-
+        compCfgService.preSetProperty("org.onosproject.routing.cpr.ControlPlaneRedirectManager",
+                                      "forceUnprovision", "true");
 
         processor = new InternalPacketProcessor();
         linkListener = new InternalLinkListener();