Remove "public" to follow our convention

Change-Id: Ic5fa8744cbcb4c704780c8467ae0f31fce3327ce
diff --git a/core/api/src/main/java/org/onosproject/net/host/HostService.java b/core/api/src/main/java/org/onosproject/net/host/HostService.java
index 183fe0b..6fa52ce 100644
--- a/core/api/src/main/java/org/onosproject/net/host/HostService.java
+++ b/core/api/src/main/java/org/onosproject/net/host/HostService.java
@@ -35,7 +35,7 @@
      *
      * @return number of end-station hosts
      */
-    public int getHostCount();
+    int getHostCount();
 
     /**
      * Returns a collection of all end-station hosts.