Remove public access modifiers to follow our convention

Change-Id: I7cd26d36eb22a12f7829037ab95f99039c417253
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/PcepCloseMsg.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/PcepCloseMsg.java
index 15295a4..15bd6bb 100755
--- a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/PcepCloseMsg.java
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/PcepCloseMsg.java
@@ -67,7 +67,7 @@
     /**
      * Builder interface with get and set functions to build Close message.
      */
-    public interface Builder extends PcepMessage.Builder {
+    interface Builder extends PcepMessage.Builder {
 
         @Override
         PcepCloseMsg build();