do not handle request headers

build/js/app.js

@@ -57,9 +57,6 @@ browser.storage.onChanged.addListener(async (changes, areaName) => {
 // Handle Request Headers
 browser.webRequest.onBeforeSendHeaders.addListener(
   async (details) => {
-    details.requestHeaders = await settingsManager.handleRequestHeaders(
-      details
-    );
     let headers = await tokenManager.handleRequestHeaders(details);
     return { requestHeaders: headers };
   },