The first thing to do is to clean the database data created by the plugin. The plugin deletes all the data it has created about orders, such as stock status information (woo-order statuses only), attachments, custom status changes, chat conversations, notes, quote collaborations prices, dates and other.
Clear all WooCommerce product database data created by in Woo-Order plugin.
Select some year before you started using woo order plugin and click to Clear database
After you clean woo-order DB, just deactivate plugin in WP plugins. And if you want remove, then delete plugin