Removed duplicated code from broadcast methods

Author: PhilipRoman

src/main/java/org/java_websocket/server/WebSocketServer.java

@@ -829,24 +829,7 @@ public void broadcast(byte[] data, Collection<WebSocket> clients) {
 		if (data == null || clients == null) {
 			throw new IllegalArgumentException();
 		}
-		Map<Draft, List<Framedata>> draftFrames = new HashMap<Draft, List<Framedata>>();
-		ByteBuffer byteBufferData = ByteBuffer.wrap( data );
-		synchronized( clients ) {
-			for( WebSocket client : clients ) {
-				if( client != null ) {
-					Draft draft = client.getDraft();
-					if( !draftFrames.containsKey( draft ) ) {
-						List<Framedata> frames = draft.createFrames( byteBufferData, false );
-						draftFrames.put( draft, frames );
-					}
-					try {
-						client.sendFrame( draftFrames.get( draft ) );
-					} catch ( WebsocketNotConnectedException e ) {
-						//Ignore this exception in this case
-					}
-				}
-			}
-		}
+		broadcast(ByteBuffer.wrap(data), clients);
 	}
 
 	/**