Remove other search engines from Google Chrome

remove-other-search-engines.js

/* 
1. ) Go to chrome://settings/searchEngines
2. ) Press Ctrl+Shift+J (or ⌥+⌘+J (Option+Command+J) if you're using Mac OS X)
3. ) Paste this script and press ENTER.
     You may have to repeat step 3 two or three times.
*/

var otherSearchEngineList = document.getElementById('other-search-engine-list');
var d = otherSearchEngineList.getElementsByClassName("row-delete-button");
d = Array.prototype.slice.call(d);
d.forEach(function(n) {
    var e = document.createEvent("MouseEvents");
    e.initEvent("click", true, false);
    n.dispatchEvent(e, true);
    e = document.createEvent("MouseEvents");
    e.initEvent("mousedown", true, false);
    n.dispatchEvent(e, true);
    e = document.createEvent("MouseEvents");
    e.initEvent("mouseup", true, false);
    n.dispatchEvent(e, true);
});