[homeModules.dms] remove deleted option

homeModules/programs/dms/default.nix

···
   config = lib.mkIf (cfg && en) {
     programs.dankMaterialShell = {
       enable = true;
-      enableNightMode = false;
       enableDynamicTheming = false;
       enableAudioWavelength = false;
       enableCalendarEvents = false;