Remove unused imported qualifier in py_argsort function

Author: oleksandr-pavlyk

dpctl/tensor/libtensor/source/sorting/argsort.cpp

@@ -129,8 +129,6 @@ py_argsort(const dpctl::tensor::usm_ndarray &src,
     bool is_dst_c_contig = dst.is_c_contiguous();
 
     if (is_src_c_contig && is_dst_c_contig) {
-        using dpctl::tensor::kernels::stable_argsort_axis1_contig_impl;
-
         static constexpr py::ssize_t zero_offset = py::ssize_t(0);
 
         auto fn = stable_sort_contig_fns[src_typeid][dst_typeid];