pop-icon-theme: remove some dependencies

- Some third-party inherits have been removed from the icon theme by
upstream. See https://github.com/pop-os/icon-theme/pull/100

pkgs/data/icons/pop-icon-theme/default.nix

@@ -4,9 +4,7 @@
 , meson
 , ninja
 , gtk3
-, breeze-icons
-, gnome
-, pantheon
+, adwaita-icon-theme
 , hicolor-icon-theme
 }:
 
@@ -28,9 +26,7 @@ stdenv.mkDerivation rec {
   ];
 
   propagatedBuildInputs = [
-    breeze-icons
-    gnome.adwaita-icon-theme
-    pantheon.elementary-icon-theme
+    adwaita-icon-theme
     hicolor-icon-theme
   ];
 

pkgs/top-level/all-packages.nix

@@ -23615,7 +23615,7 @@ with pkgs;
   pop-gtk-theme = callPackage ../data/themes/pop-gtk { };
 
   pop-icon-theme = callPackage ../data/icons/pop-icon-theme {
-    inherit (plasma5Packages) breeze-icons;
+    inherit (gnome) adwaita-icon-theme;
   };
 
   powerline-fonts = callPackage ../data/fonts/powerline-fonts { };