Remove the config.rb at the root, it interferes with knife-zero

config.rb

@@ -1,4 +0,0 @@
-# Set default values for `chef generate cookbook COOKBOOK_NAME`
-chefdk.generator.copyright_holder 'Kosmos Developers'
-chefdk.generator.license          'mit'
-chefdk.generator.email            'mail@kosmos.org'