remove osbolete file

lib/single-file-extension-editor-init.js

@@ -1 +0,0 @@
-!function(){"use strict";document.currentScript.remove(),function e(t){t.querySelectorAll("template[shadowrootmode]").forEach(t=>{let o=t.parentElement.shadowRoot;if(!o){try{o=t.parentElement.attachShadow({mode:t.getAttribute("shadowrootmode")}),o.innerHTML=t.innerHTML,t.remove()}catch(e){}o&&e(o)}})}(document)}();