[Refactor]: Remove deployment for dev-2.x (#2225)

* remove deploy for 2.0

* update onnx ut

mmcv/ops/csrc/onnxruntime/ort_mmcv_utils.h

-// Copyright (c) OpenMMLab. All rights reserved
-#ifndef ORT_MMCV_UTILS_H
-#define ORT_MMCV_UTILS_H
-#include <onnxruntime_cxx_api.h>
-
-#include <vector>
-
-struct OrtTensorDimensions : std::vector<int64_t> {
-  OrtTensorDimensions(Ort::CustomOpApi ort, const OrtValue* value) {
-    OrtTensorTypeAndShapeInfo* info = ort.GetTensorTypeAndShape(value);
-    std::vector<int64_t>::operator=(ort.GetTensorShape(info));
-    ort.ReleaseTensorTypeAndShapeInfo(info);
-  }
-};
-#endif  // ORT_MMCV_UTILS_H