If you need to remove any part or a section of a Layout, follow the below steps.
Login to M2 Admin> Go to the content -> pages & select the page you want to layout change > Select Design tab and add in what you want to remove from Layout Update XML
Ex:
<body>
<referenceBlock name=”footer” remove=”true”/>
<referenceBlock name=”header.panel” remove=”true”/>
<referenceBlock name=”catalog.topnav” remove=”true”/>
<referenceBlock name=”breadcrumbs” remove=”true”/>
</body>
