remove an unnecessary file

src/targets/gpu/include/migraphx/gpu/device/reduce_opers.hpp

-#ifndef MIGRAPHX_GUARD_RTGLIB_DEVICE_REDUCE_OPERS_HPP
-#define MIGRAPHX_GUARD_RTGLIB_DEVICE_REDUCE_OPERS_HPP
-
-#include <migraphx/gpu/hip.hpp>
-#include <migraphx/gpu/device/types.hpp>
-#include <migraphx/gpu/device/nary.hpp>
-
-namespace migraphx {
-inline namespace MIGRAPHX_INLINE_NS {
-namespace gpu {
-namespace device {
-
-template <class T>
-struct max_op
-{
-    T operator()(T x, T y) const { return (x > y) ? x : y; }
-};
-
-template <class T>
-struct min_op
-{
-    T operator()(T x, T y) const { return (x < y) ? x : y; }
-};
-
-template <class T>
-struct sum_op
-{
-    T operator()(T x, T y) const { return x + y; }
-};
-
-template <class T, class Op>
-inline __device__ void block_reduce(T* data_ptr,
-                                    Op op,
-                                    std::size_t block_size,
-                                    std::size_t thr_idx,
-                                    std::size_t item_num,
-                                    std::size_t max_index)
-{
-    while(true)
-    {
-        auto stride = (item_num + 1) / 2;
-        auto size   = item_num / 2;
-        for(std::size_t i = thr_idx; i < size; i += block_size)
-        {
-            data_ptr[i] = op(data_ptr[i], data_ptr[i + stride]);
-        }
-        __syncthreads();
-        item_num = stride;
-
-        if(item_num == 1)
-            break;
-    }
-
-    if(thr_idx == 0)
-    {
-        data_ptr[max_index] = op(data_ptr[max_index], data_ptr[0]);
-    }
-
-    __syncthreads();
-}
-
-} // namespace device
-} // namespace gpu
-} // namespace MIGRAPHX_INLINE_NS
-} // namespace migraphx
-
-#endif