programs: only ship gnome-terminal on phosh

this saves us one whole `webkitgtk` (5.0) build on non-phosh GUIs.

hosts/common/programs.nix

@@ -162,7 +162,7 @@ let
       "gnome.nautilus"
       # gnome-podcasts
       "gnome.gnome-system-monitor"
-      "gnome.gnome-terminal"  # works on phosh
+      # "gnome.gnome-terminal"  # works on phosh
       "gnome.gnome-weather"
       gpodder-configured
       gthumb

hosts/modules/gui/phosh.nix

@@ -28,6 +28,7 @@ in
           "guiApps"
           # TODO: see about removing gnome-bluetooth if the in-built gnome-settings bluetooth manager can work
           "gnome.gnome-bluetooth"
+          "gnome.gnome-terminal"
           "phosh-mobile-settings"
           # "plasma5Packages.konsole"  # more reliable terminal
         ];
@@ -37,11 +38,13 @@ in
       sane.programs = {
         inherit (pkgs // {
           "gnome.gnome-bluetooth" = pkgs.gnome.gnome-bluetooth;
+          "gnome.gnome-terminal" = pkgs.gnome.gnome-terminal;
           "plasma5Packages.konsole" = pkgs.plasma5Packages.konsole;
         })
           phosh-mobile-settings
           "plasma5Packages.konsole"
           # "gnome.gnome-bluetooth"
+          "gnome.gnome-terminal"
         ;
       };
     }