phone: Drop unused packages

Will be using the phone as a portable web browser to avoid issues with
native applications generally being slower and lacking features you'd
find in their web counterparts.

hosts/phone/configuration.nix

@@ -178,11 +178,8 @@ in
       inherit (pkgs)
         chatty
         megapixels
-        fractal
-        g4music
         livi
         gnome-calendar
-        tuba
         eog
         ;
     };