refactor(hm/gui): reorganize modules

This way we are not `import`ing stuff which is slow.

It also makes it easier to turn off the sway module.

modules/hm/gui/sway.nix

@@ -23,11 +23,6 @@ in
             else
               builtins.abort "no command configured for ${terminal}";
           menu = "${pkgs.fuzzel}/bin/fuzzel --terminal '${termCmd}'";
-          cmdOnce = command: { inherit command; };
-          cmdAlways = command: {
-            inherit command;
-            always = true;
-          };
         in
         {
           modifier = "Mod 4";