How to remove JAX-WS Web Services node in Eclipse Project Explorer?

You can use the Package Explorer view instead of the Project Explorer view: those nodes don't appear.

If you don't care about JAX-WS, you can hide it from the Project Explorer. To do this, click the little down arrow button (see image below) and, from the popup menu, choose "Customize View...". On the Customize View dialog, goto the "Content" tab. On the Content tab, uncheck "JAX-WS Web Services Elements".

You have to disable JAX-RS support on you project, you can do it following this two steps:

First access your project properties

Then filter properties by JAX-RS, disable JAX-RS support and click on Apply and close