How to remove “AUTHOR BIO” box from post page

I have been trying to remove the Author bio box from showing. I edited the template used for the page but still dont seem to be able to remove this Not sure what I am doing wrong but assistance in resolving this would be appreciated Website - https://majickfeathers.com.au Problem Page - https://majickfeathers.com.au/links-to-news-about-majick-feathers/