feat: Remove .env file for AI Scribe

It was used at the beginning for configuration purpose but now we
have the JMAP capability, no need anymore.

scribe/lib/scribe.dart

@@ -8,4 +8,3 @@ export 'scribe/ai/presentation/model/ai_action.dart';
 export 'scribe/ai/presentation/model/ai_scribe_menu_action.dart';
 export 'scribe/ai/data/repository/ai_repository_impl.dart';
 export 'scribe/ai/data/datasource/ai_datasource.dart';
-export 'scribe/ai/data/config/ai_config.dart';

scribe/lib/scribe/ai/data/config/ai_config.dart

@@ -1,7 +0,0 @@
-import 'package:flutter_dotenv/flutter_dotenv.dart';
-
-class AIConfig {
-  const AIConfig._();
-
-  static bool get isAiEnabled => dotenv.get('AI_ENABLED', fallback: 'false') == 'true';
-}

scribe/lib/scribe/ai/l10n/intl_messages.arb

@@ -1,5 +1,5 @@
 {
-  "@@last_modified": "2025-12-10T10:22:36.990738",
+  "@@last_modified": "2025-12-15T14:32:54.358333",
   "categoryCorrectGrammar": "Correct grammar",
   "@categoryCorrectGrammar": {
     "type": "text",

scribe/pubspec.lock

@@ -381,14 +381,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
-  flutter_dotenv:
-    dependency: "direct main"
-    description:
-      name: flutter_dotenv
-      sha256: d9283d92059a22e9834bc0a31336658ffba77089fb6f3cc36751f1fc7c6661a3
-      url: "https://pub.dev"
-    source: hosted
-    version: "5.0.2"
   flutter_image_compress:
     dependency: transitive
     description:

scribe/pubspec.yaml

@@ -22,8 +22,6 @@ dependencies:
 
   dio: 5.0.0
 
-  flutter_dotenv: 5.0.2
-
   get: 4.6.6
 
   pointer_interceptor: 0.10.1+2