In the Render As window you choose your target video format and Template - there's a button "Customize Template" - click on that and then select the Audio Tab - deselect the "Include Audio" tickbox. Viola! No audio will be included in the rendered file.
In the Render As window you choose your target video format and Template - there's a button "Customize Template" - click on that and then select the Audio Tab - deselect the "Include Audio" tickbox. Viola! No audio will be included in the rendered file.