[libsigc++2] Update sigc++/.gitignore

[Kjell Ahlstedt <kjellahl src gnome org>]

commit ed6bf85a76c496e1cb55b1f7962079704404553c
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Wed Aug 12 18:59:34 2015 +0200

    Update sigc++/.gitignore

 sigc++/.gitignore |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/sigc++/.gitignore b/sigc++/.gitignore
index 302946e..1415f9a 100644
--- a/sigc++/.gitignore
+++ b/sigc++/.gitignore
@@ -1,11 +1,5 @@
-/class_slot.h
-/hide.h
 /limit_reference.h
-/method_slot.h
-/object_slot.h
-/retype.h
 /signal.h
-/slot.h
 /adaptors/adaptor_trait.h
 /adaptors/bind.h
 /adaptors/bind_return.h