Tampermonkey / Greasemonkey script which removes the `destination=` query parameter from Drupal's contextual links (e.g. edit panel, menu item, block, etc).

Remove Drupal's Contextual Destination Parameters.js

// ==UserScript==
// @name         Remove Drupal's Contextual Destination Parameters
// @namespace    http://jacksonc.com
// @version      1.0
// @description  Removes the `?destination=` parameter from Drupal's contextual links.
// @author       Jackson Cooper <jackson@jacksonc.com>
// @grant        none
// @require      https://cdnjs.cloudflare.com/ajax/libs/URI.js/1.18.4/URI.min.js
// ==/UserScript==

(function($) {
  'use strict';

  // List of selectors containing Drupal links that
  // may contain a `destination` query parameter.
  var $drupalContextualLinks = $('.contextual-links a');
  $drupalContextualLinks.each(function() {
    var $link = $(this),
        linkURL = $link.attr('href');

    $link.attr('href', URI(linkURL).removeQuery('destination').toString());
  });
})(jQuery);