[to #44902165] remove device placement for image cartoon to avoid full gpu memory usage

Link: https://code.alibaba-inc.com/Ali-MaaS/MaaS-lib/codereview/10260495

modelscope/pipelines/cv/image_cartoon_pipeline.py

@@ -37,15 +37,12 @@ class ImageCartoonPipeline(Pipeline):
             model: model id on modelscope hub.
         """
         super().__init__(model=model, **kwargs)
-        with device_placement(self.framework, self.device_name):
-            self.facer = FaceAna(self.model)
-            with tf.Graph().as_default():
-                self.sess_anime_head = self.load_sess(
-                    os.path.join(self.model, 'cartoon_h.pb'),
-                    'model_anime_head')
-                self.sess_anime_bg = self.load_sess(
-                    os.path.join(self.model, 'cartoon_bg.pb'),
-                    'model_anime_bg')
+        self.facer = FaceAna(self.model)
+        with tf.Graph().as_default():
+            self.sess_anime_head = self.load_sess(
+                os.path.join(self.model, 'cartoon_h.pb'), 'model_anime_head')
+            self.sess_anime_bg = self.load_sess(
+                os.path.join(self.model, 'cartoon_bg.pb'), 'model_anime_bg')
 
         self.box_width = 288
         global_mask = cv2.imread(os.path.join(self.model, 'alpha.jpg'))