netty: cleanup dead code

Author: jknack

modules/jooby-netty/src/main/java/io/jooby/internal/netty/NettyHandler.java

@@ -181,9 +181,6 @@ public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
         ctx.flush();
       }
     }
-    if (context != null) {
-      //      context.destroy(null);
-    }
     super.channelReadComplete(ctx);
   }