[ONOS-4260]Alarm and fault managment application refactoring according to ONOS architecture

Change-Id: I47e9db37eb5fc27ac19db2e4cb87774736b44685
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/faultmanagement/alarm/AlarmProvider.java b/incubator/api/src/main/java/org/onosproject/incubator/net/faultmanagement/alarm/AlarmProvider.java
index 8ee6f2f..0b5b875 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/faultmanagement/alarm/AlarmProvider.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/faultmanagement/alarm/AlarmProvider.java
@@ -19,30 +19,18 @@
 import org.onosproject.net.provider.Provider;
 
 /**
- * Abstraction of a Alarm provider.
+ * Abstraction of an entity capable of supplying alarms collected from
+ * network devices.
  */
 public interface AlarmProvider extends Provider {
 
     /**
-     * Triggers an asynchronous discovery of the alarms on the specified device, intended to refresh internal alarm
-     * model for the device. An indirect result of this should be a event sent later with discovery result ie a set of
-     * alarms.
+     * Triggers an asynchronous discovery of the alarms on the specified device,
+     * intended to refresh internal alarm model for the device. An indirect
+     * result of this should be a event sent later with discovery result
+     * ie a set of alarms.
      *
      * @param deviceId ID of device to be probed
      */
     void triggerProbe(DeviceId deviceId);
-
-    /**
-     * Register a listener for alarms.
-     *
-     * @param listener the listener to notify
-     */
-    void addAlarmListener(AlarmListener listener);
-
-    /**
-     * Unregister a listener.
-     *
-     * @param listener the listener to unregister
-     */
-    void removeAlarmListener(AlarmListener listener);
 }