Remove "public" to follow our convention

Change-Id: Ic5fa8744cbcb4c704780c8467ae0f31fce3327ce
diff --git a/openflow/api/src/main/java/org/onosproject/openflow/controller/driver/OpenFlowSwitchDriverFactory.java b/openflow/api/src/main/java/org/onosproject/openflow/controller/driver/OpenFlowSwitchDriverFactory.java
index 98030fe..a0d8f18 100644
--- a/openflow/api/src/main/java/org/onosproject/openflow/controller/driver/OpenFlowSwitchDriverFactory.java
+++ b/openflow/api/src/main/java/org/onosproject/openflow/controller/driver/OpenFlowSwitchDriverFactory.java
@@ -34,6 +34,6 @@
      * @param ofv the OF version in use
      * @return the openflow switch representation.
      */
-    public OpenFlowSwitchDriver getOFSwitchImpl(Dpid dpid,
+    OpenFlowSwitchDriver getOFSwitchImpl(Dpid dpid,
             OFDescStatsReply desc, OFVersion ofv);
 }