By default WordPress only allows you to close or limit comments to members only. this can be down from your dashboard’s discussion page in settings menu. But in case if you want to hide comments feature completely from your WordPress site then here’s an way to do that.
Following screenshot shows the comments feature removed all over from your WordPress site:
For hiding comments feature from your WordPress site you will be needing Hide Comments Feature plugin install and activated in your website. As soon you activate Hide Comments Feature plugin your website comment feature disappears instantly from your dashboard, from frontend, from everywhere. The plugin provides you 4 custom hooks mentioned in theplugin’s page at WordPress.Org