Remove unused files

The following files where used as part of the upstream
opensource branch, but not used in this fork

Change-Id: Idb4e5b2ea830d40f43d3ce7d0449aca42ffd7c99
Reviewed-on: http://review.couchbase.org/35560
Reviewed-by: Trond Norbye <trond.norbye@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>