Remove the roadmap file
Remove the roadmap file

It's 4 years old and not used anymore.

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

robbkidd/supermarket,robbkidd/supermarket,chef/supermarket,robbkidd/supermarket,chef/supermarket,robbkidd/supermarket,chef/supermarket,chef/supermarket,chef/supermarket