fixup! TB4: Tor Browser's Firefox preference overrides.

Bug 21484: Remove or hide "What's New" link from About dialog

browser/app/profile/000-tor-browser.js

@@ -27,6 +27,12 @@ pref("app.update.url.manual", "https://www.torproject.org/download/languages/");
 pref("app.update.url.details", "https://www.torproject.org/download/");
 pref("app.update.badgeWaitTime", 0);
 pref("app.releaseNotesURL", "about:blank");
+// disables the 'What's New?' link in the about dialog, otherwise we need to
+// duplicate logic for generating the url to the blog post that is already more
+// easily found in about:tor
+pref("app.releaseNotesURL.aboutDialog", "about:blank");
+// point to our feedback url rather than Mozilla's
+pref("app.feedback.baseURL", "https://support.torproject.org/%LOCALE%/get-in-touch/");
 
 #ifndef XP_MACOSX
 // Disable staged updates on platforms other than macOS.