clean up

packages/stream_chat/lib/version.dart

@@ -4,25 +4,3 @@ import 'package:stream_chat/src/client/client.dart';
 /// Used in [StreamChatClient] to build the `x-stream-client` header
 // ignore: constant_identifier_names
 const PACKAGE_VERSION = '3.2.0';
-
-/// Possible packages
-enum Package {
-  /// The Low Level Client
-  llc,
-
-  /// The Core package
-  core,
-
-  /// The UI package
-  ui,
-}
-
-///
-extension XPackage on Package {
-  ///
-  String get name => {
-        Package.llc: 'llc',
-        Package.core: 'core',
-        Package.ui: 'ui',
-      }[this]!;
-}

packages/stream_chat_flutter/lib/src/stream_chat.dart

@@ -115,7 +115,7 @@ class StreamChatState extends State<StreamChat> {
                   builder: (context) {
                     StreamChatClient.additionalHeaders = {
                       'X-Stream-Client':
-                          '${StreamChatClient.defaultUserAgent}-${Package.ui}',
+                          '${StreamChatClient.defaultUserAgent}-ui',
                     };
                     return widget.child ?? const Offstage();
                   },

packages/stream_chat_flutter_core/lib/src/stream_chat_core.dart

@@ -90,20 +90,18 @@ class StreamChatCore extends StatefulWidget {
 /// State class associated with [StreamChatCore].
 class StreamChatCoreState extends State<StreamChatCore>
     with WidgetsBindingObserver {
-  /// Constructor used for creating a new instance of [StreamChatCoreState].
-  StreamChatCoreState() {
-    StreamChatClient.additionalHeaders = {
-      'X-Stream-Client': '${StreamChatClient.defaultUserAgent}-${Package.ui}',
-    };
-  }
-
   /// Initialized client used throughout the application.
   StreamChatClient get client => widget.client;
 
   Timer? _disconnectTimer;
 
   @override
-  Widget build(BuildContext context) => widget.child;
+  Widget build(BuildContext context) {
+    StreamChatClient.additionalHeaders = {
+      'X-Stream-Client': '${StreamChatClient.defaultUserAgent}-ui',
+    };
+    return widget.child;
+  }
 
   // coverage:ignore-start