docs: remove contribution section

Author: hacdias

README.md

@@ -37,13 +37,6 @@ gx-go --rewrite
 
 Please check [Gx](https://github.com/whyrusleeping/gx) and [Gx-go](https://github.com/whyrusleeping/gx-go) documentation for more information.
 
-
-## Contribute
-
-Feel free to join in. All welcome. Open an [issue](https://github.com/ipfs/go-ipfs-util/issues)!
-
-This repository falls under the IPFS [Code of Conduct](https://github.com/ipfs/community/blob/master/code-of-conduct.md).
-
 ### Want to hack on IPFS?
 
 [![](https://cdn.rawgit.com/jbenet/contribute-ipfs-gif/master/img/contribute.gif)](https://github.com/ipfs/community/blob/master/contributing.md)