PVStructure: implements method of SerializableArray without inheriting

And the implementation is a noop...

pvDataApp/factory/PVStructure.cpp

@@ -444,11 +444,6 @@ namespace epics { namespace pvData {
 
     }
 
-    void PVStructure::serialize(ByteBuffer *pbuffer,
-            SerializableControl *pflusher, int offset, int count) {
-        throw std::logic_error(notImplemented);
-    }
-
     void PVStructure::serialize(ByteBuffer *pbuffer,
             SerializableControl *pflusher, BitSet *pbitSet) {
         int offset = getFieldOffset();

pvDataApp/pv/pvData.h

@@ -215,8 +215,6 @@ public:
         ByteBuffer *pbuffer,SerializableControl *pflusher) ;
     virtual void deserialize(
         ByteBuffer *pbuffer,DeserializableControl *pflusher);
-    virtual void serialize(ByteBuffer *pbuffer,
-        SerializableControl *pflusher, int offset, int count) ;
     virtual void serialize(ByteBuffer *pbuffer,
         SerializableControl *pflusher,BitSet *pbitSet) ;
     virtual void deserialize(ByteBuffer *pbuffer,