Remove dead code disable via preprocessor conditional

Author: oleksandr-pavlyk

dpctl/tensor/libtensor/include/kernels/sorting/topk.hpp

@@ -161,24 +161,10 @@ topk_full_merge_sort_impl(sycl::queue &exec_q,
 
     using IotaKernelName = topk_populate_index_data_krn<argTy, IndexTy, CompT>;
 
-#if 1
     using dpctl::tensor::kernels::sort_utils_detail::iota_impl;
 
     sycl::event populate_indexed_data_ev = iota_impl<IotaKernelName, IndexTy>(
         exec_q, index_data, iter_nelems * axis_nelems, depends);
-#else
-    sycl::event populate_indexed_data_ev =
-        exec_q.submit([&](sycl::handler &cgh) {
-            cgh.depends_on(depends);
-
-            auto const &range = sycl::range<1>(iter_nelems * axis_nelems);
-
-            cgh.parallel_for<IotaKernelName>(range, [=](sycl::id<1> id) {
-                std::size_t i = id[0];
-                index_data[i] = static_cast<IndexTy>(i);
-            });
-        });
-#endif
 
     std::size_t sorted_block_size;
     // Sort segments of the array
@@ -513,23 +499,10 @@ sycl::event topk_radix_impl(sycl::queue &exec_q,
 
     using IotaKernelName = topk_iota_krn<argTy, IndexTy>;
 
-#if 1
     using dpctl::tensor::kernels::sort_utils_detail::iota_impl;
 
     sycl::event iota_ev = iota_impl<IotaKernelName, IndexTy>(
         exec_q, workspace, total_nelems, depends);
-#else
-    sycl::event iota_ev = exec_q.submit([&](sycl::handler &cgh) {
-        cgh.depends_on(depends);
-
-        cgh.parallel_for<IotaKernelName>(
-            sycl::range<1>(total_nelems), [=](sycl::id<1> id) {
-                size_t i = id[0];
-                IndexTy sort_id = static_cast<IndexTy>(i);
-                workspace[i] = sort_id;
-            });
-    });
-#endif
 
     sycl::event radix_sort_ev =
         radix_sort_details::parallel_radix_sort_impl<IndexTy, IndexedProjT>(