How to remove "WooCommerce title" and "product categories"

Hi @jolklubadmin,

  1. For contact us title, can you check the solution here: https://colorlibsupport.com/t/please-check-contact-us-section-and-jumbotron/#post-92230

The issue is already reported to the developers, it will be fixed in the next version.

  1. For removing the sidebar in the woocommerce page use this Custom CSS in Appearance -> Customize -> Additional CSS,
.woocommerce-page .col-sm-7 { width: 100%; }
.woocommerce-page .col-sm-4 { display: none; }

Let us know,

Thanks,
laranz.