Update ROADMAP.md

ROADMAP.md

@@ -72,17 +72,4 @@ If you would like to consume the project with your own functions then you can us
 
 ### Contributing
 
-Here are a few guidelines for contributing:
-
-* If you have found a bug please raise an issue and fill out the whole template.
-* If you would like to contribute to the codebase please raise an issue to propose the change and fill out the whole template.
-* If the documentation can be improved / translated etc please raise an issue to discuss. PRs for changing one or two typos aren't necessary.
-
-**Practical stuff**
-
-* Please sign your commits with `git commit -s` so that commits are traceable.
-* Please always provide a summary of what you changed, how you did it and how it can be tested
-
-### License
-
-This project is licensed under the MIT License.
+Please see [CONTRIBUTING.md](https://github.com/alexellis/faas/blob/master/CONTRIBUTING.md).