Remove attributes for metadata and add new metadata
Remove attributes for metadata and add new metadata

Attributes should no longer be included in the metadata file

Add our new supermarket metadata

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

axos88/chef_nginx,Roblox/chef_nginx,Sauraus/chef_nginx,miketheman/nginx,Roblox/chef_nginx,chef-cookbooks/chef_nginx,Sauraus/chef_nginx,miketheman/nginx,chef-cookbooks/chef_nginx,Sauraus/chef_nginx,Roblox/chef_nginx,miketheman/nginx,chef-cookbooks/chef_nginx,axos88/chef_nginx,axos88/chef_nginx