cinnamon-session: remove obsolete patch.

srcpkgs/cinnamon-session/patches/blacklist_gnome-initial-setup.patch

@@ -1,14 +0,0 @@
---- cinnamon-session/csm-manager.c	2014-11-08 09:05:05.000000000 +0000
-+++ cinnamon-session/csm-manager.c	2014-11-21 17:35:31.979898468 +0000
-@@ -107,7 +107,10 @@ const gchar *blacklist[] = {
-                             "gnome-screensaver",
-                             "mate-screensaver",
-                             "mate-keyring-daemon",
--                            "indicator-"
-+                            "indicator-",
-+                            "gnome-initial-setup-copy-worker",
-+                            "gnome-initial-setup-first-login",
-+                            "gnome-welcome-tour"
-                            };
- 
- static void app_registered (CsmApp     *app, CsmManager *manager);