[libsigcplusplus] Docs: Remove unnecessary Scope of Documentation paragraph.

[Murray Cumming <murrayc src gnome org>]

commit a270c9309cdd391f457a06eac7cb8ebbd5789ac2
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Apr 1 10:41:54 2016 +0200

    Docs: Remove unnecessary Scope of Documentation paragraph.

 sigc++/sigc++.h |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/sigc++/sigc++.h b/sigc++/sigc++.h
index bbe095c..de79222 100644
--- a/sigc++/sigc++.h
+++ b/sigc++/sigc++.h
@@ -95,12 +95,6 @@
  *
  * Your @c pkg_check_modules() call should also mention any other libraries that
  * you need to use via pkg-config.
- *
- * @section scope Scope of Documentation
- *
- * libsigc++ contains many template functions and template classes/structs,
- * some with many specializations. This reference manual does not show all
- * specializations of those templates that hardly any user will use directly.
  */
 
 #include <sigc++/signal.h>