Removed dead code + Dropped log level down to debug to reduce verbosity

Change-Id: I565775261a63b391011e1b341903390a9f26b6a6
diff --git a/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/OpenFlowDeviceProvider.java b/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/OpenFlowDeviceProvider.java
index 7351476..56d41ff 100644
--- a/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/OpenFlowDeviceProvider.java
+++ b/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/OpenFlowDeviceProvider.java
@@ -158,7 +158,7 @@
 
     @Override
     public void triggerProbe(DeviceId deviceId) {
-        LOG.info("Triggering probe on device {}", deviceId);
+        LOG.debug("Triggering probe on device {}", deviceId);
 
         final Dpid dpid = dpid(deviceId.uri());
         OpenFlowSwitch sw = controller.getSwitch(dpid);
@@ -199,7 +199,7 @@
                 LOG.error("Unknown Mastership state : {}", newRole);
 
         }
-        LOG.info("Accepting mastership role change for device {}", deviceId);
+        LOG.debug("Accepting mastership role change for device {}", deviceId);
     }
 
     private void pushPortMetrics(Dpid dpid, List<OFPortStatsEntry> portStatsEntries) {