[flutter_tools] fix web messaging (#74513)

packages/flutter_tools/lib/src/isolated/resident_web_runner.dart

@@ -184,14 +184,7 @@ abstract class ResidentWebRunner extends ResidentRunner {
       fire + globals.terminal.bolden(rawMessage),
       TerminalColor.red,
     );
-    if (!flutterNext) {
-      globals.printStatus(
-          "Warning: Flutter's support for web development is not stable yet and hasn't");
-      globals.printStatus('been thoroughly tested in production environments.');
-      globals.printStatus('For more information see https://flutter.dev/web');
-      globals.printStatus('');
     globals.printStatus(message);
-    }
     const String quitMessage = 'To quit, press "q".';
     if (device.device is! WebServerDevice) {
       globals.printStatus('For a more detailed help message, press "h". $quitMessage');

packages/flutter_tools/test/general.shard/resident_web_runner_test.dart

@@ -891,6 +891,19 @@ void main() {
     Platform: () => FakePlatform(operatingSystem: 'linux', environment: <String, String>{}),
   });
 
+  testUsingContext('printHelp without details shows hot restart help message', () async {
+    final ResidentRunner residentWebRunner = setUpResidentRunner(mockFlutterDevice);
+    fakeVmServiceHost = FakeVmServiceHost(requests: <VmServiceExpectation>[]);
+    residentWebRunner.printHelp(details: false);
+
+    expect(testLogger.statusText, contains('To hot restart changes'));
+  }, overrides: <Type, Generator>{
+    FileSystem: () => fileSystem,
+    ProcessManager: () => processManager,
+    Pub: () => MockPub(),
+    Platform: () => FakePlatform(operatingSystem: 'linux', environment: <String, String>{}),
+  });
+
   testUsingContext('debugDumpApp', () async {
     final ResidentRunner residentWebRunner = setUpResidentRunner(mockFlutterDevice);
     fakeVmServiceHost = FakeVmServiceHost(requests: <VmServiceExpectation>[