fix analyzer

Author: cynthiajoan

packages/firebase_ai/firebase_ai/example/lib/main.dart

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 import 'package:firebase_ai/firebase_ai.dart';
-import 'package:firebase_app_check/firebase_app_check.dart';
+
 import 'package:firebase_auth/firebase_auth.dart';
 import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';

packages/firebase_ai/firebase_ai/example/lib/pages/chat_page.dart

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import 'package:firebase_auth/firebase_auth.dart';
+
 import 'package:flutter/material.dart';
 import 'package:firebase_ai/firebase_ai.dart';
 import '../widgets/message_widget.dart';

packages/firebase_ai/firebase_ai/example/lib/pages/function_calling_page.dart

@@ -14,7 +14,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:firebase_ai/firebase_ai.dart';
-import 'package:firebase_auth/firebase_auth.dart';
+
 import '../utils/function_call_utils.dart';
 import '../widgets/message_widget.dart';
 

packages/firebase_ai/firebase_ai/example/lib/pages/grounding_page.dart

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import 'package:firebase_auth/firebase_auth.dart';
+
 import 'package:flutter/material.dart';
 import 'package:firebase_ai/firebase_ai.dart';
 import '../widgets/message_widget.dart';

packages/firebase_ai/firebase_ai/example/lib/pages/image_generation_page.dart

@@ -15,7 +15,7 @@
 import 'dart:typed_data';
 import 'package:flutter/material.dart';
 import 'package:firebase_ai/firebase_ai.dart';
-import 'package:firebase_auth/firebase_auth.dart';
+
 import '../widgets/message_widget.dart';
 
 class ImageGenerationPage extends StatefulWidget {