ultralytics 8.0.14 Hydra removal fixes and cleanup (#542)

Co-authored-by: ayush chaurasia <ayush.chaurarsia@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Kamlesh Kumar <patelkamleshpatel364@gmail.com>

ultralytics/yolo/v8/classify/predict.py

@@ -18,7 +18,7 @@ class ClassificationPredictor(BasePredictor):
         img = img.half() if self.model.fp16 else img.float()  # uint8 to fp16/32
         return img
 
-    def postprocess(self, preds, img, orig_img):
+    def postprocess(self, preds, img, orig_img, classes=None):
         results = []
         for i, pred in enumerate(preds):
             shape = orig_img[i].shape if isinstance(orig_img, list) else orig_img.shape