Merge pull request #64 from Fraser999/readme

docs/readme: remove dead link

README.md

@@ -6,7 +6,7 @@
 |:---:|:--------:|:-----:|:------:|:----:|
 |[![](http://meritbadge.herokuapp.com/accumulator)](https://crates.io/crates/accumulator)|[![Build Status](https://travis-ci.org/maidsafe/accumulator.svg?branch=master)](https://travis-ci.org/maidsafe/accumulator)|[![Build status](https://ci.appveyor.com/api/projects/status/1imtexgsshnpxnvn/branch/master?svg=true)](https://ci.appveyor.com/project/MaidSafe-QA/accumulator/branch/master)|[![Coverage Status](https://coveralls.io/repos/maidsafe/accumulator/badge.svg)](https://coveralls.io/r/maidsafe/accumulator)|[![Stories in Ready](https://badge.waffle.io/maidsafe/accumulator.png?label=ready&title=Ready)](https://waffle.io/maidsafe/accumulator)|
 
-| [API Documentation - master branch](http://docs.maidsafe.net/accumulator/master) | [SAFE Network System Documentation](http://systemdocs.maidsafe.net) | [MaidSafe website](http://maidsafe.net) | [SAFE Network Forum](https://forum.safenetwork.io) |
+| [API Documentation - master branch](http://docs.maidsafe.net/accumulator/master) | [MaidSafe website](http://maidsafe.net) | [SAFE Network Forum](https://forum.safenetwork.io) |
 |:------:|:-------:|:-------:|:-------:|
 
 ## Overview