gmail-headless-print.bookmarklet.js

javascript:(function() {
  let bodycontent = document.querySelectorAll('.bodycontainer')[0];
  bodycontent.childNodes[1].remove(); /* <hr> */
  bodycontent.childNodes[0].remove(); /* <table> with logo */
  
  let maincontent = document.querySelectorAll('.maincontent')[0];
  let table = maincontent.childNodes[2];
  maincontent.childNodes[1].remove(); /* <hr> */
  maincontent.childNodes[0].remove(); /* <table> with email title */
  
  table.childNodes[0].childNodes[1].remove(); /* <tr> with reply-to */
  table.childNodes[0].childNodes[0].remove(); /* <tr> with sender */
})();