Remove cuda name typo

Signed-off-by: Jael Gu <mengjia.gu@zilliz.com>

action_clip.py

@@ -42,7 +42,7 @@ class ActionClip(NNOperator):
                  topk: int = 5
                  ):
         super().__init__(framework='pytorch')
-        self.device = 'cuda:2' if torch.cuda.is_available() else 'cpu'
+        self.device = 'cuda' if torch.cuda.is_available() else 'cpu'
         self.model_name = model_name
         self.skip_preprocess = skip_preprocess
         self.topk = topk