Remove ost.io forum link from support documentation.

docs/support.md

@@ -8,12 +8,11 @@ title: Support
 
 ## Community
 
-- Check our [forum on ost.io](http://ost.io/@danielwippermann/resol-vbus) for general support and discussion
 - You can also post questions with the [#resol-vbus tag on Stack Overflow](http://stackoverflow.com/questions/tagged/resol-vbus)
 - If you'd like to report a bug or propose a feature, please use the [GitHub issues](https://github.com/danielwippermann/resol-vbus/issues)
 - There is also a [Google Group](https://groups.google.com/forum/#!forum/resol-vbus) about RESOL VBus in general
 
 
 ## Commercial support
 
-Currently there is no commercial support. If you need it, please [contact the author](mailto:Daniel.Wippermann@gmail.com).
+Currently there is no commercial support. If you need it, please [contact the author](mailto:Daniel.Wippermann@gmail.com).