chore: remove commented-out import statements

Author: tobiasdiez

sources/setupZotero.js

@@ -2,7 +2,6 @@ import "./setupZoteroPlain.js";
 import "./zotero-translate/src/promise.js";
 import "./zotero-translate/src/translation/translate.js";
 import "./sandboxManager.js";
-//import "./zotero-translate/src/translation/sandboxManager.js";
 // See zotero-translate/example/index.html for the following list of imports
 import "./zotero-utilities/openurl.js";
 import "./zotero-utilities/date.js";

sources/translateEngine.js

@@ -2,7 +2,6 @@ import { TranslateWeb } from "./translateWeb.js";
 import "./setupZotero.js";
 import "./zotero-translate/src/translator.js";
 import "./zotero-translate/src/translation/translate_item.js";
-//import "./zotero-translate/src/translators.js";
 
 const EXPORT_TRANSLATORS = {
   bibtex: "9cb70025-a888-4a29-a210-93ec52da40d4",