Remove unused method.

src/net/java/sip/communicator/impl/protocol/yahoo/AdHocChatRoomYahooImpl.java

@@ -146,26 +146,6 @@ public void removeParticipantPresenceListener(
         }
     }
 
-    /**
-     * Create a Message instance for sending arbitrary MIME-encoding content.
-     * 
-     * @param content
-     *            content value
-     * @param contentType
-     *            the MIME-type for <tt>content</tt>
-     * @param contentEncoding
-     *            encoding used for <tt>content</tt>
-     * @param subject
-     *            a <tt>String</tt> subject or <tt>null</tt> for now subject.
-     * @return the newly created message.
-     */
-    public Message createMessage(byte[] content, String contentType,
-                                String contentEncoding, String subject)
-    {
-        return new MessageYahooImpl(new String(content, "UTF-8"), contentType,
-            contentEncoding, subject);
-    }
-
     /**
      * Create a Message instance for sending a simple text messages with default
      * (text/plain) content type and encoding.

src/net/java/sip/communicator/impl/protocol/yahoo/OperationSetAdHocMultiUserChatYahooImpl.java

@@ -478,9 +478,11 @@ public void fireLocalUserPresenceEvent(AdHocChatRoom chatRoom,
      * @param subject a <tt>String</tt> subject or <tt>null</tt> for now
      *            subject.
      * @return the newly created message.
+     * @throws UnsupportedEncodingException missing utf-8 in platform we use.
      */
-    public Message createMessage(byte[] content, String contentType,
+    private Message createMessage(byte[] content, String contentType,
         String contentEncoding, String subject)
+        throws UnsupportedEncodingException
     {
         return new MessageYahooImpl(new String(content, "UTF-8"), contentType,
             contentEncoding, subject);