8022661: InetAddress.writeObject() performs flush() on object output stream

Reviewed-by: michaelm, alanb

src/share/classes/java/net/InetAddress.java

@@ -1601,7 +1601,6 @@ class InetAddress implements java.io.Serializable {
         pf.put("address", holder().getAddress());
         pf.put("family", holder().getFamily());
         s.writeFields();
-        s.flush();
     }
 }