[libsigc++2/variadic] slot.h: Remove comment about this being generated.

[Murray Cumming <murrayc src gnome org>]

commit 8ec1b284c41285b091829c12f29ccd11fd02fe00
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Jan 15 09:50:31 2016 +0100

    slot.h: Remove comment about this being generated.

 sigc++/functors/slot.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/sigc++/functors/slot.h b/sigc++/functors/slot.h
index 5ce286d..ea07944 100644
--- a/sigc++/functors/slot.h
+++ b/sigc++/functors/slot.h
@@ -1,7 +1,6 @@
-// -*- c++ -*-
-/* Do not edit! -- generated file */
 #ifndef _SIGC_FUNCTORS_SLOT_H_
 #define _SIGC_FUNCTORS_SLOT_H_
+
 #include <sigc++/trackable.h>
 #include <sigc++/visit_each.h>
 #include <sigc++/adaptors/adaptor_trait.h>
@@ -270,4 +269,5 @@ struct visitor<slot<T_return, T_arg...>>
   #undef SIGC_NIL_HAS_BEEN_PUSHED
   #pragma pop_macro("nil")
 #endif
+
 #endif /* _SIGC_FUNCTORS_SLOT_H_ */