Remove more crap

modules/nixos/multimedia/web/firefox.nix

@@ -20,6 +20,7 @@
         Cryptomining = true;
         Fingerprinting = true;
         EmailTracking = true;
+        Level = "strict";
       };
       DisableTelemetry = true;
       DisablePocket = true;
@@ -35,6 +36,30 @@
         BehaviourPrivateBrowsing = "reject-foreign";
       };
 
+      UserMessaging = {
+        WhatsNew = false;
+        ExtensionRecommendations = false;
+        FeatureRecommendations = false;
+        UrlbarInterventions = false;
+        SkipOnboarding = true;
+        MoreFromMozilla = false;
+      };
+      
+      FirefoxHome = {
+        Search = true;
+        TopSites = true;
+        SponsoredTopSites = false;
+        Highlights = false;
+        Pocket = false;
+        SponsoredPocket = false;
+        Snippets = false;
+        Locked = true;
+      };
+
+      SearchSuggestEnabled = false;
+      ShowSearchSuggestionsFirst = false;
+      NewTabPage = false;
+
       SearchEngines = { # ESR only
         Add = [
           {