Removing div wrapper of textfield element in webform
You would do this by overriding theme_form_element() in your theme, eg, something along the lines of:

function YOURTHEME_form_element($variables) {

  $element=&amp;$variables['element'];

  if ( /* this is a webform textfield */ ) {

    // create the html without the div wrapper

  } else {

    // do it the standard way

  }

  return /* the html */;

}


A look into includes/form.inc will show you the full theme_form_element() code that you could copy into your function above where necessary.