nushell: update config

home/programs/terminal/nushell/config.nu

@@ -77,7 +77,6 @@ $env.config = {
     metric: true # true => KB, MB, GB (ISO standard), false => KiB, MiB, GiB (Windows standard)
     format: "auto" # b, kb, kib, mb, mib, gb, gib, tb, tib, pb, pib, eb, eib, zb, zib, auto
   }
-  use_grid_icons: true
   footer_mode: "25" # always, never, number_of_rows, auto
   float_precision: 2
   # buffer_editor: "emacs" # command that will be used to edit the current line buffer with ctrl+o, if unset fallback to $env.EDITOR and $env.VISUAL