Remove debugging line

lib/devtools.js

@@ -160,7 +160,6 @@ customElements.define('developer-tooling', class extends HTMLElement {
       div.innerHTML = `
         <div class="app">
           <div class="remove" data-session-id="${sessionId}">✕</div>
-          <div>devtools://devtools/bundled/js_app.html?experiments=true&v8only=true&ws=127.0.0.1:${this.port}/${sessionId}</div>
           <div class="title">${app.title} (${app.url})</div>
         </div>
       `