Add Universal Segmentation class + mapping (#20766)

* Add mapping

* Add mapping to pipeline

* Apply suggestions

* Fix feature extractor tests

* Use ForInstance, add model to universal mapping

* More fixes

* Remove model from deprecated objectsé

Co-authored-by: Niels Rogge <nielsrogge@Nielss-MacBook-Pro.local>

utils/check_repo.py

@@ -239,7 +239,6 @@ IGNORE_NON_AUTO_CONFIGURED = PRIVATE_MODELS.copy() + [
     "VisualBertForMultipleChoice",
     "TFWav2Vec2ForCTC",
     "TFHubertForCTC",
-    "MaskFormerForInstanceSegmentation",
     "XCLIPVisionModel",
     "XCLIPTextModel",
 ]