Bug 1310252. Update webcompatURL to point to new simplified reporting endpoint. r=sebastian

mobile/android/chrome/content/WebcompatReporter.js

@@ -118,7 +118,7 @@ var WebcompatReporter = {
     return new Promise((resolve) => {
       const WEBCOMPAT_ORIGIN = "https://webcompat.com";
       let url = tabData.tab.browser.currentURI.spec
-      let webcompatURL = `${WEBCOMPAT_ORIGIN}/?open=1&url=${url}`;
+      let webcompatURL = `${WEBCOMPAT_ORIGIN}/issues/new?url=${url}`;
 
       if (tabData.data && typeof tabData.data === "string") {
         BrowserApp.deck.addEventListener("DOMContentLoaded", function sendDataToTab(event) {