Removed unimplemented method (I think whether to keep-alive or not should be determined in the higher level)

src/main/java/org/jboss/netty/handler/codec/http/DefaultHttpRequest.java

@@ -49,10 +49,4 @@ public class DefaultHttpRequest extends DefaultHttpMessage implements HttpReques
     public URI getURI() {
         return uri;
     }
-
-
-    public boolean isKeepAlive() {
-        //todo
-        return true;
-    }
 }

src/main/java/org/jboss/netty/handler/codec/http/HttpRequest.java

@@ -31,8 +31,6 @@ import java.net.URI;
  */
 public interface HttpRequest extends HttpMessage {
 
-    boolean isKeepAlive();
-
     HttpMethod getMethod();
 
     URI getURI();