switch back to gtkgreet because it actually fucking works and I don't have to tty2 every time

hosts/niks/configuration.nix

@@ -11,7 +11,7 @@ let
         exec hash dbus-update-activation-environment 2>/dev/null && \
          dbus-update-activation-environment --systemd DISPLAY WAYLAND_DISPLAY SWAYSOCK XDG_CURRENT_DESKTOP
 
-        exec "${pkgs.greetd.regreet}/bin/regreet; swaymsg exit"
+        exec "${pkgs.greetd.gtkgreet}/bin/gtkgreet -l; swaymsg exit"
         bindsym Mod4+shift+e exec swaynag \
           -t warning \
           -m 'What do you want to do?' \
@@ -69,22 +69,6 @@ in
     # https://github.com/NixOS/nixpkgs/issues/158025
     security.pam.services.swaylock = {};
 
-    programs.regreet = {
-        enable = true;
-        settings = {
-            GTK = {
-                application_prefer_dark_theme = true;
-                cursor_theme_name = "Bibata-Modern-Classic";
-                font_name = "JetBrains Mono 16";
-                icon_theme_name = "Papirus-Dark";
-                theme_name = "Catppuccin-Mocha-Standard-Green-dark";
-            };
-            env = {
-                GTK_USE_PORTAL = "0";
-            };
-        };
-    };
-
     fonts.fonts = with pkgs; [
         material-design-icons
         (nerdfonts.override { fonts = [ "JetBrainsMono" ]; })