Revert "Move the environment variables to an EnvironmentFile"

This reverts commit 79023a65f2.

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

@@ -6,7 +6,9 @@ ExecStart=<%= @entry %>
 WorkingDirectory=<%= @app_dir %>
 User=<%= @user %>
 Group=<%= @group %>
-EnvironmentFile=<%= @environment_file %>
+<% unless @environment.empty? -%>
+Environment=<% @environment.each do |key, value| -%>'<%= key %>=<%= value %>' <% end %>
+<% end -%>
 Restart=always
 
 [Install]