As was mentioned, to remove this block https://prnt.sc/ubbwk0 you need to delete upsells product items from product settings – https://prnt.sc/uavqbv This block https://prnt.sc/ubbxjg is a static block https://xstore.helpscoutdocs.com/article/101-wpbakery-page-builder https://xstore.helpscoutdocs.com/article/48-widgets-custom-widget-areas , that is placed in Appearance > Widgets > Single product page Sidebar. Also, read this article – https://docs.woocommerce.com/document/related-products-up-sells-and-cross-sells/
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