Removing vim swp files from making it to repo.

Change-Id: I5e3baed4f3fe883bd7aaba82b4c7d345bc004bea
Reviewed-on: http://www.matthewh.me/gerrit/4
Reviewed-by: Matthew Hoggan <matthew.hoggan@matthewh.me>
Tested-by: Matthew Hoggan <matthew.hoggan@matthewh.me>