treewide: prune more old xorg configs, and rename wayland modules

modules/user/rofi.nix

@@ -0,0 +1,23 @@
+{ config, pkgs, ... }:
+let
+  theme = pkgs.stdenvNoCC.mkDerivation {
+    pname = "rofi-theme";
+    version = "1.0.0";
+    dontUnpack = true;
+    installPhase = ''
+      cp ${../../res/theme.rasi} $out
+      substituteInPlace $out \
+        --replace-fail "CAT_BACKGROUND" "${config.catppuccin.hexcolors.crust}" \
+        --replace-fail "CAT_TEXT" "${config.catppuccin.hexcolors.text}" \
+        --replace-fail "CAT_ACCENT" "${config.catppuccin.hexcolors.${config.catppuccin.accent}}" \
+        --replace-fail "CAT_PLACEHOLDER" "${config.catppuccin.hexcolors.overlay1}"
+    '';
+  };
+in {
+  programs.rofi = {
+    enable = true;
+    package = pkgs.rofi-wayland;
+    theme = "theme";
+  };
+  xdg.configFile."rofi/theme.rasi".source = theme;
+}