remove deprecated content blocking

app/lib/features/settings/data/models/settings.dart

@@ -1,7 +1,6 @@
 import 'package:copy_with_extension/copy_with_extension.dart';
 import 'package:fast_equatable/fast_equatable.dart';
 import 'package:flutter/material.dart';
-import 'package:lensai/features/content_block/data/models/host.dart';
 import 'package:lensai/features/kagi/data/entities/modes.dart';
 
 part 'settings.g.dart';
@@ -13,9 +12,7 @@ class Settings with FastEquatable {
   final bool incognitoMode;
   final bool enableJavascript;
   final bool launchUrlExternal;
-  final bool enableContentBlocking;
   final bool blockHttpProtocol;
-  final Set<HostSource> enableHostList;
   final ThemeMode themeMode;
   final KagiTool? quickAction;
   final bool quickActionVoiceInput;
@@ -27,9 +24,7 @@ class Settings with FastEquatable {
     required this.incognitoMode,
     required this.enableJavascript,
     required this.launchUrlExternal,
-    required this.enableContentBlocking,
     required this.blockHttpProtocol,
-    required this.enableHostList,
     required this.themeMode,
     required this.quickAction,
     required this.quickActionVoiceInput,
@@ -44,7 +39,6 @@ class Settings with FastEquatable {
     bool? launchUrlExternal,
     bool? enableContentBlocking,
     bool? blockHttpProtocol,
-    Set<HostSource>? enableHostList,
     ThemeMode? themeMode,
     this.quickAction,
     bool? quickActionVoiceInput,
@@ -53,9 +47,7 @@ class Settings with FastEquatable {
         incognitoMode = incognitoMode ?? true,
         enableJavascript = enableJavascript ?? true,
         launchUrlExternal = launchUrlExternal ?? false,
-        enableContentBlocking = enableContentBlocking ?? true,
         blockHttpProtocol = blockHttpProtocol ?? false,
-        enableHostList = enableHostList ?? {HostSource.stevenBlackUnified},
         themeMode = themeMode ?? ThemeMode.dark,
         quickActionVoiceInput = quickActionVoiceInput ?? false,
         enableReadability = enableReadability ?? true;
@@ -70,9 +62,7 @@ class Settings with FastEquatable {
         incognitoMode,
         enableJavascript,
         launchUrlExternal,
-        enableContentBlocking,
         blockHttpProtocol,
-        enableHostList,
         themeMode,
         quickAction,
         quickActionVoiceInput,