clean-med.js

var selectors = [
    '.metabar'
  , 'main > article > header'
  , '.js-stickyFooter'
  , '.supplementalPostContent'
  , '.js-postFooterPlacements'
  , 'footer > .container > section'
  , '.postActions'
  , '.postPromotionWrapper'
  , '.js-postFooterPlacements'
  , '.js-postShareWidget'
];
var e = false;
for ( var i = 0, l = selectors.length; i < l; i++ ) {
  while ( e = document.querySelector(selectors[i]) ) {
    e.parentElement.removeChild(e);
  }
}

var p = false;
while ( e = document.querySelector('iframe') ) {
  p = e.parentElement
       .parentElement
       .parentElement
       .parentElement;
  p.parentElement.removeChild(p);
}

e = document.querySelectorAll('.sectionLayout--insetColumn');
for ( var i = 0, l = e.length; i < l; i++ ) {
  e[i].style.maxWidth = 'inherit';
}

e = document.querySelectorAll('.postArticle--full .graf--layoutOutsetLeft');
for ( var i = 0, l = e.length; i < l; i++ ) {
  e[i].style.marginLeft = '0';
  e[i].style.width = '30%';
}