Remove blank "use" documentation

Introduced in dotcloud/docker#3070

Docker-DCO-1.1-Signed-off-by: Ben Firshman <ben@firshman.co.uk> (github: bfirsh)

docs/sources/use.md

@@ -1,14 +0,0 @@
-# Use
-
-## Contents:
-
- - [First steps with Docker](basics/)
- - [Share Images via Repositories](workingwithrepository/)
- - [Redirect Ports](port_redirection/)
- - [Configure Networking](networking/)
- - [Automatically Start Containers](host_integration/)
- - [Share Directories via Volumes](working_with_volumes/)
- - [Link Containers](working_with_links_names/)
- - [Link via an Ambassador Container](ambassador_pattern_linking/)
- - [Using Puppet](puppet/)
- - [Using certificates for repository client verification](certificates/)