Fix typo and remove deprecated FlutterRotateWindow (flutter-tizen#59)

* Fix typo FlutterDestoryWindow

* Remove FlutterRotateWindow

Author: swift-kim

shell/platform/tizen/flutter_tizen.cc

@@ -34,7 +34,7 @@ FlutterWindowControllerRef FlutterCreateWindow(
   return state.release();
 }
 
-void FlutterDestoryWindow(FlutterWindowControllerRef controller) {
+void FlutterDestroyWindow(FlutterWindowControllerRef controller) {
   if (controller->engine) {
     controller->engine->StopEngine();
   }
@@ -164,11 +164,6 @@ void FlutterNotifyLowMemoryWarning(FlutterWindowControllerRef controller) {
   }
 }
 
-void FlutterRotateWindow(FlutterWindowControllerRef controller,
-                         int32_t degree) {
-  FT_LOGW("Deprecated API. Use SystemChrome.setPreferredOrientations instead.");
-}
-
 int64_t FlutterRegisterExternalTexture(
     FlutterTextureRegistrarRef texture_registrar) {
   FT_LOGD("FlutterDesktopRegisterExternalTexture");

shell/platform/tizen/public/flutter_tizen.h

@@ -60,7 +60,7 @@ FLUTTER_EXPORT FlutterDesktopPluginRegistrarRef
 FlutterDesktopGetPluginRegistrar(FlutterWindowControllerRef controller,
                                  const char* plugin_name);
 
-FLUTTER_EXPORT void FlutterDestoryWindow(FlutterWindowControllerRef controller);
+FLUTTER_EXPORT void FlutterDestroyWindow(FlutterWindowControllerRef controller);
 
 FLUTTER_EXPORT bool FlutterRunsPrecompiledCode();
 
@@ -82,9 +82,6 @@ FLUTTER_EXPORT void FlutterNotifyAppIsPaused(
 FLUTTER_EXPORT void FlutterNotifyAppIsDetached(
     FlutterWindowControllerRef controller);
 
-FLUTTER_EXPORT void FlutterRotateWindow(FlutterWindowControllerRef controller,
-                                        int32_t degree);
-
 #if defined(__cplusplus)
 }  // extern "C"
 #endif