intro_flutter_gpu: Enable Windows in CI

Author: domesticmouse

flutter_ci_script_shared.sh

@@ -50,14 +50,9 @@ function ci_codelabs () {
 
                     # intro_flutter_gpu only runs with Impeller
                     if [ $CODELAB = 'intro_flutter_gpu' ]; then
-                        # Skipping Windows: https://github.com/bdero/flutter_scene/issues/55
-                        if [ $RUNNER_OS = 'macOS' ] || [ $RUNNER_OS = 'Linux' ]; then
-                            flutter config --enable-native-assets
-                            flutter build `echo $RUNNER_OS | tr '[:upper:]' '[:lower:]'` --debug
-                            flutter test --enable-impeller
-                        else
-                            echo "Skipping $CODELAB on $RUNNER_OS"
-                        fi
+                        flutter config --enable-native-assets
+                        flutter build `echo $RUNNER_OS | tr '[:upper:]' '[:lower:]'` --debug
+                        flutter test --enable-impeller
                     else
                         flutter test
                     fi