Revert "Merge pull request #1064 from InfiniTensor/issue/1031_T1-1-4"

This reverts commit a8ea2306, reversing
changes made to 7f295448.

src/infiniop/ops/var/var_desc.h

-#ifndef INFINIOP_VAR_DESCRIPTOR_H_
-#define INFINIOP_VAR_DESCRIPTOR_H_
-#include "../../../utils.h"
-#include "../../operator.h"
-#include "../../tensor.h"
-
-#include "info.h"
-
-#define DESCRIPTOR(NAMESPACE)                                    \
-                                                                 \
-    namespace op::var::NAMESPACE {                               \
-    class Descriptor final : public InfiniopDescriptor {         \
-        struct Opaque;                                           \
-        Opaque *_opaque;                                         \
-        VarInfo _info;                                           \
-        size_t _workspace_size;                                  \
-                                                                 \
-        Descriptor(                                              \
-            Opaque *opaque,                                      \
-            VarInfo info,                                        \
-            size_t workspace_size,                               \
-            infiniDevice_t device_type,                          \
-            int device_id)                                       \
-            : InfiniopDescriptor{device_type, device_id},        \
-              _opaque(opaque),                                   \
-              _info(info),                                       \
-              _workspace_size(workspace_size) {}                 \
-                                                                 \
-    public:                                                      \
-        ~Descriptor();                                           \
-        size_t workspaceSize() const { return _workspace_size; } \
-                                                                 \
-        static infiniStatus_t create(                            \
-            infiniopHandle_t handle,                             \
-            Descriptor **desc_ptr,                               \
-            infiniopTensorDescriptor_t var_output_desc,          \
-            infiniopTensorDescriptor_t input_desc,               \
-            size_t *dim,                                         \
-            size_t dim_size,                                     \
-            bool unbiased,                                       \
-            bool keepdim);                                       \
-                                                                 \
-        infiniStatus_t calculate(                                \
-            void *workspace, size_t workspace_size,              \
-            void *var_output,                                    \
-            const void *input,                                   \
-            bool unbiased,                                       \
-            bool keepdim,                                        \
-            void *stream) const;                                 \
-    };                                                           \
-    }
-
-#endif