Remove public from definition in interface

Change-Id: I7554f04a230a7a5cc85dda4cd6b41171a523fd80
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/ConfigGetter.java b/core/api/src/main/java/org/onosproject/net/behaviour/ConfigGetter.java
index be25d22..5740f32 100644
--- a/core/api/src/main/java/org/onosproject/net/behaviour/ConfigGetter.java
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/ConfigGetter.java
@@ -33,5 +33,5 @@
      * @param type the type of configuration to get (i.e. running).
      * @return string representation of the configuration or an error string.
      */
-    public String getConfiguration(String type);
+    String getConfiguration(String type);
 }