colorschemes/poimandres: migrate to by-name

plugins/colorschemes/poimandres.nix

@@ -1,58 +0,0 @@
-{
-  lib,
-  ...
-}:
-let
-  inherit (lib.nixvim) defaultNullOpts mkNullOrOption;
-in
-lib.nixvim.plugins.mkNeovimPlugin {
-  name = "poimandres";
-  isColorscheme = true;
-  package = "poimandres-nvim";
-
-  maintainers = [ lib.maintainers.GaetanLepage ];
-
-  settingsOptions = {
-    bold_vert_split = defaultNullOpts.mkBool false ''
-      Use bold vertical separators.
-    '';
-
-    dim_nc_background = defaultNullOpts.mkBool false ''
-      Dim 'non-current' window backgrounds.
-    '';
-
-    disable_background = defaultNullOpts.mkBool false ''
-      Whether to disable the background.
-    '';
-
-    disable_float_background = defaultNullOpts.mkBool false ''
-      Whether to disable the background for floats.
-    '';
-
-    disable_italics = defaultNullOpts.mkBool false ''
-      Whether to disable italics.
-    '';
-
-    dark_variant = defaultNullOpts.mkStr "main" ''
-      Dark variant.
-    '';
-
-    groups = mkNullOrOption (with lib.types; attrsOf (either str (attrsOf str))) ''
-      Which color to use for each group.
-
-      default: see [source](https://github.com/olivercederborg/poimandres.nvim/blob/main/lua/poimandres/init.lua)
-    '';
-
-    highlight_groups = defaultNullOpts.mkAttrsOf lib.types.str { } ''
-      Highlight groups.
-    '';
-  };
-
-  settingsExample = {
-    bold_vert_split = false;
-    dim_nc_background = true;
-    disable_background = false;
-    disable_float_background = false;
-    disable_italics = true;
-  };
-}

plugins/default.nix

@@ -2,7 +2,6 @@
   imports = [
     ./cmp
 
-    ./colorschemes/poimandres.nix
     ./colorschemes/rose-pine.nix
     ./colorschemes/solarized-osaka.nix
     ./colorschemes/tokyonight.nix