Remove the nginx recipe inclusion and the dependency on nginx in the service

The nginx vhost should be set up after the app is deployed. The node app
doesn't need nginx to run

site-cookbooks/kredits-github/recipes/default.rb

@@ -25,7 +25,6 @@
 # THE SOFTWARE.
 
 include_recipe 'kosmos-nodejs'
-include_recipe 'kredits-github::nginx'
 
 app_name     = "kredits-github"
 deploy_user  = "deploy"

site-cookbooks/kredits-github/templates/default/nodejs.systemd.service.erb

@@ -1,7 +1,5 @@
 [Unit]
 Description=Start nodejs app
-Requires=nginx.service
-After=nginx.service
 
 [Service]
 ExecStart=<%= @entry %>