From the Shopify edit HTML/CSS view you can modify your sites css. You'll need to locate the theme.scss.liquid file, which is usually located in the assets folder
In this folder you need to paste the below code:
display: none !important;
Any changes to your css can immediately affect the appearance of your site for your customers. We cannot take any responsibility for any changes you make to the css file, so be very careful. If you have any questions, do not hesitate to contact our support team.