changed gnome look

hosts/laptop/configuration.nix

@@ -111,16 +111,11 @@
       gnome-tour
       xterm
       cheese # webcam tool
-      gnome-music
-      gnome-weather
-      gnome-calendar
       gnome-contacts
       gnome-clocks
       gnome-maps
-      epiphany # web browser
       geary # email reader
       evince # document viewer
-      gnome-characters
       totem # video player
       tali # poker game
       iagno # go game