Hello , @Soulinger
Can you please provide your store URL ?
@Soulinger HI that text come from the theme feature you will disable with just one click
goto your theme settings and find the product description tab you will see their checkbox make it deselected
tell me the theme name I will help in depth.
@Soulinger thank you for your update if my Answer help solving your problems then make accept answer so that will help to help other too.