Disagreeable

//Kill most cookie notifications

function contains(selector, text) {
  var elements = document.querySelectorAll(selector);
  var val = [].filter.call(elements, function(element){
    return RegExp(text).test(element.textContent); debugger;
  });
  return val.length ? val : false;
}
var __t = contains("*","By using") || contains("*","We use cookies");

__t[__t.length-1].offsetParent.remove()

//Minified:
!function(){function e(e,t){var n=document.querySelectorAll(e),r=[].filter.call(n,function(e){return RegExp(t).test(e.textContent)});return!!r.length&&r}var t=e("*","By using")||e("*","We use cookies");t[t.length-1].offsetParent.remove()}();