refactor(ui): Remove unused components

lib/ui/components/brand_switch/brand_switch.dart

@@ -1,19 +0,0 @@
-import 'package:flutter/material.dart';
-
-class BrandSwitch extends StatelessWidget {
-  const BrandSwitch({
-    required this.onChanged,
-    required this.value,
-    super.key,
-  });
-
-  final ValueChanged<bool> onChanged;
-  final bool value;
-
-  @override
-  Widget build(final BuildContext context) => Switch(
-        activeColor: Theme.of(context).colorScheme.primary,
-        value: value,
-        onChanged: onChanged,
-      );
-}

lib/ui/components/brand_tab_bar/brand_tab_bar.dart

@@ -1,60 +0,0 @@
-import 'package:easy_localization/easy_localization.dart';
-import 'package:flutter/material.dart';
-import 'package:selfprivacy/ui/components/brand_icons/brand_icons.dart';
-
-class BrandTabBar extends StatefulWidget {
-  const BrandTabBar({super.key, this.controller});
-
-  final TabController? controller;
-  @override
-  State<BrandTabBar> createState() => _BrandTabBarState();
-}
-
-class _BrandTabBarState extends State<BrandTabBar> {
-  int? currentIndex;
-  @override
-  void initState() {
-    currentIndex = widget.controller!.index;
-    widget.controller!.addListener(_listener);
-    super.initState();
-  }
-
-  void _listener() {
-    if (currentIndex != widget.controller!.index) {
-      setState(() {
-        currentIndex = widget.controller!.index;
-      });
-    }
-  }
-
-  @override
-  void dispose() {
-    widget.controller ?? widget.controller!.removeListener(_listener);
-    super.dispose();
-  }
-
-  @override
-  Widget build(final BuildContext context) => NavigationBar(
-        destinations: [
-          _getIconButton('basis.providers'.tr(), BrandIcons.server, 0),
-          _getIconButton('basis.services'.tr(), BrandIcons.box, 1),
-          _getIconButton('basis.users'.tr(), BrandIcons.users, 2),
-          _getIconButton('basis.more'.tr(), Icons.menu_rounded, 3),
-        ],
-        onDestinationSelected: (final index) {
-          widget.controller!.animateTo(index);
-        },
-        selectedIndex: currentIndex ?? 0,
-        labelBehavior: NavigationDestinationLabelBehavior.onlyShowSelected,
-      );
-
-  NavigationDestination _getIconButton(
-    final String label,
-    final IconData iconData,
-    final int index,
-  ) =>
-      NavigationDestination(
-        icon: Icon(iconData),
-        label: label,
-      );
-}

lib/ui/components/error/error.dart

@@ -1,26 +0,0 @@
-import 'package:flutter/material.dart';
-
-class BrandError extends StatelessWidget {
-  const BrandError({super.key, this.error, this.stackTrace});
-
-  final Object? error;
-  final StackTrace? stackTrace;
-
-  @override
-  Widget build(final BuildContext context) => SafeArea(
-        child: Scaffold(
-          body: Center(
-            child: SingleChildScrollView(
-              child: Column(
-                crossAxisAlignment: CrossAxisAlignment.center,
-                children: [
-                  Text(error.toString()),
-                  const Text('stackTrace: '),
-                  Text(stackTrace.toString()),
-                ],
-              ),
-            ),
-          ),
-        ),
-      );
-}