remove hardcode dino encoder logic

src/diffusion/stateful_flow_matching/training_repa.py

@@ -25,12 +25,7 @@ def constant(alpha, sigma):
 class DINOv2(nn.Module):
     def __init__(self, weight_path:str):
         super(DINOv2, self).__init__()
-        self.encoder = torch.hub.load(
-            '/mnt/bn/wangshuai6/torch_hub/facebookresearch_dinov2_main',
-            weight_path,
-            source="local",
-            skip_validation=True
-        )
+        self.encoder = torch.hub.load('facebookresearch/dinov2', weight_path)
         self.pos_embed = copy.deepcopy(self.encoder.pos_embed)
         self.encoder.head = torch.nn.Identity()
         self.patch_size = self.encoder.patch_embed.patch_size