If you want your customer go to checkout page straight after adding product to cart then you can do it easily to hide View Cart Button from Mini-Cart On WooCommerce like below screenshot.
Caption: View Cart button will remove
To hide View Cart button from Mini-Cart you need add some custom code which is below code snippet:
You can add this code snippet to using any thid-party plugin seems like this ( https://wordpress.org/plugins/code-snippets/ ) or also you can add those code
On your child theme functions.php file.
By the way, after successfully added this code you will see that, View Cart button will hide from Mini-Cart like below screenshot.
View cart button remove from Mini-cart