Remove obsolete [email protected]

library/docker-dev

@@ -8,6 +8,5 @@ v0.10.0: git://github.com/dotcloud/[email protected]
 v0.9.1: git://github.com/dotcloud/[email protected]
 v0.8.1: git://github.com/dotcloud/[email protected]
 v0.7.6: git://github.com/dotcloud/[email protected]
-v0.6.7: git://github.com/dotcloud/[email protected]
 
 # one tag per major version