[to #43878347] remove automatically model placement which will result in full memory usage

Link: https://code.alibaba-inc.com/Ali-MaaS/MaaS-lib/codereview/10105641

modelscope/models/base/base_model.py

@@ -91,7 +91,6 @@ class Model(ABC):
                 osp.join(local_model_dir, ModelFile.CONFIGURATION))
         task_name = cfg.task
         model_cfg = cfg.model
-        framework = cfg.framework
 
         if hasattr(model_cfg, 'model_type') and not hasattr(model_cfg, 'type'):
             model_cfg.type = model_cfg.model_type
@@ -101,9 +100,8 @@ class Model(ABC):
             model_cfg[k] = v
         if device is not None:
             model_cfg.device = device
-            with device_placement(framework, device):
-                model = build_model(
-                    model_cfg, task_name=task_name, default_args=kwargs)
+            model = build_model(
+                model_cfg, task_name=task_name, default_args=kwargs)
         else:
             model = build_model(
                 model_cfg, task_name=task_name, default_args=kwargs)