Colum is pointing you to that because it tells you how to remove what you have referrred to as Chapter Layout and that item is in the third page of the wizard. I suspect however it is the TOC you want to remove. If you remove Chapter Layout in the wizard, you will not have any content.
You can change the font with a different workflow. Generate to Word instead of PDF and you can change the style there. If you are doing this frequently, map to a Word template and amend the style in that.
See www.grainge.org for RoboHelp and Authoring tips