function removeTextElements() {
  const textDivs = document.getElementsByClassName(TEXT_DIV_CLASSNAME);
  for (const div of textDivs) {
    div.parentNode.removeChild(div);
  }
}
Finds and removes all of the text predictions added by this extension, and
removes them from the DOM. Note: This does not undo the containerization.  A
cleaner implementation would move the image node back out of the container
div.