title: Remove Text Shapes from Powerpoint slides where the shapes are empty
body: <p>My md2pptx code creates slides using python-pptx. It sometimes ignores shapes on a page it doesn't need.</p>
  <p>In Powerpoint Slide Show these empty shapes don't appear. In LibreOffice they seem to.</p>
  <p>I'm pretty adept at manipulating the underlying XML for a slide.</p>
  <p>Is it feasible to remove empty shapes - perhaps by deleting their XML elements? Or does python-pptx itself offer the capability to delete a shape? (I think not.)</p>
  <p>Assume I can navigate to the shapes and figure out which ones are empty.</p>
  <p>Note: I'm not aiming to delete whole slides, just empty shapes.</p>