uninstallTts static method
Uninstall the active TTS model — deletes all its files and clears the active-TTS identity. No-op if none active.
Implementation
static Future<void> uninstallTts() async {
final manager = FlutterGemmaPlugin.instance.modelManager;
final spec = manager.activeTtsModel;
if (spec == null) return;
await manager.deleteModel(spec);
await manager.clearActiveTtsIdentity();
}