[libsigcplusplus] exception_catch_functor: Remove unused adaptor_type.

[Murray Cumming <murrayc src gnome org>]

commit d2dbd3dd2215d9df7e4730ef93700825a3cc3a42
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Apr 13 13:27:20 2016 +0200

    exception_catch_functor: Remove unused adaptor_type.

 sigc++/adaptors/exception_catch.h |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/sigc++/adaptors/exception_catch.h b/sigc++/adaptors/exception_catch.h
index 89f3b1b..dd2cb18 100644
--- a/sigc++/adaptors/exception_catch.h
+++ b/sigc++/adaptors/exception_catch.h
@@ -59,9 +59,6 @@ template <class T_functor, class T_catcher,
   class T_return = typename adapts<T_functor>::result_type>
 struct exception_catch_functor : public adapts<T_functor>
 {
-private:
-  using adaptor_type = typename adapts<T_functor>::adaptor_type;
-
 public:
   using result_type = T_return;
 
@@ -102,9 +99,6 @@ public:
 template <class T_functor, class T_catcher>
 struct exception_catch_functor<T_functor, T_catcher, void> : public adapts<T_functor>
 {
-private:
-  using adaptor_type = typename adapts<T_functor>::adaptor_type;
-
 public:
   using result_type = void;