remove dependency sort

Author: jvdp1

src/stdlib_stats_median.fypp

@@ -7,10 +7,6 @@ submodule (stdlib_stats) stdlib_stats_median
   use, intrinsic:: ieee_arithmetic, only: ieee_value, ieee_quiet_nan, ieee_is_nan
   use stdlib_error, only: error_stop
   use stdlib_optval, only: optval
-  ! Use "ord_sort" rather than "sort" because the former can be much faster for arrays
-  ! that are already partly sorted. While it is slightly slower for random arrays,
-  ! ord_sort seems a better overall choice.
-  use stdlib_sorting, only: sort => ord_sort
   use stdlib_selection, only: select
   implicit none