[ONOS-2596] BGP Open message issue fix

Change-Id: I3c836950f851bc3ff02bc826d9128787133ae5d7
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BGPOpenMsgVer4.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BGPOpenMsgVer4.java
index b50342d..fccbf5f 100644
--- a/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BGPOpenMsgVer4.java
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BGPOpenMsgVer4.java
@@ -311,8 +311,8 @@
 
             if (this.isLargeAsCapabilityTlvSet) {
                 BGPValueType tlv;
-                int iValue = this.getAsNumber();
-                tlv = new FourOctetAsNumCapabilityTlv(iValue);
+                int value = this.asNumber;
+                tlv = new FourOctetAsNumCapabilityTlv(value);
                 this.capabilityTlv.add(tlv);
             }
 
@@ -333,26 +333,6 @@
         }
 
         @Override
-        public short getHoldTime() {
-            return this.holdTime;
-        }
-
-        @Override
-        public short getAsNumber() {
-            return this.asNumber;
-        }
-
-        @Override
-        public int getBgpId() {
-            return this.bgpId;
-        }
-
-        @Override
-        public LinkedList<BGPValueType> getCapabilityTlv() {
-            return this.capabilityTlv;
-        }
-
-        @Override
         public Builder setHoldTime(short holdTime) {
             this.holdTime = holdTime;
             this.isHoldTimeSet = true;