Fix guide navigation inheritance
Fix guide navigation inheritance

It was getting a bit confused with multiple levels of nesting
robinwhittleton/static,kalleth/static,tadast/static,robinwhittleton/static,tadast/static,alphagov/static,tadast/static,tadast/static,kalleth/static,robinwhittleton/static,alphagov/static,alphagov/static,kalleth/static,robinwhittleton/static,kalleth/static