Remove library from generated_bindings.dart

Author: HosseinYousefi

pkgs/jni/lib/src/third_party/generated_bindings.dart

@@ -1,7 +1,2 @@
-@internal
-library;
-
-import 'package:meta/meta.dart' show internal;
-
 export 'global_env_extensions.dart';
 export 'jni_bindings_generated.dart';