[glibmm/sigc3v2] signal_proxy.h: Remove unused SignalProxy# aliases.

[Murray Cumming <murrayc src gnome org>]

commit 5894b3d354f6bdc5b6ff5cfef9debbd30ad83c2d
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Mar 31 14:27:35 2016 +0200

    signal_proxy.h: Remove unused SignalProxy# aliases.

 glib/glibmm/signalproxy.h |   19 -------------------
 1 files changed, 0 insertions(+), 19 deletions(-)
---
diff --git a/glib/glibmm/signalproxy.h b/glib/glibmm/signalproxy.h
index f67a4a6..7916123 100644
--- a/glib/glibmm/signalproxy.h
+++ b/glib/glibmm/signalproxy.h
@@ -220,25 +220,6 @@ public:
   }
 };
 
-/* Templates below has been added to avoid API break, and should not be
- * used in a newly created code. SignalProxy class should be used instead
- * of SignalProxy# class.
- */
-template <typename R>
-using SignalProxy0 = SignalProxy<R>;
-template <typename R, typename T1>
-using SignalProxy1 = SignalProxy<R, T1>;
-template <typename R, typename T1, typename T2>
-using SignalProxy2 = SignalProxy<R, T1, T2>;
-template <typename R, typename T1, typename T2, typename T3>
-using SignalProxy3 = SignalProxy<R, T1, T2, T3>;
-template <typename R, typename T1, typename T2, typename T3, typename T4>
-using SignalProxy4 = SignalProxy<R, T1, T2, T3, T4>;
-template <typename R, typename T1, typename T2, typename T3, typename T4, typename T5>
-using SignalProxy5 = SignalProxy<R, T1, T2, T3, T4, T5>;
-template <typename R, typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
-using SignalProxy6 = SignalProxy<R, T1, T2, T3, T4, T5, T6>;
-
 // TODO: When we can break ABI, consider renaming
 // SignalProxyDetailed => SignalProxyDetailedBase
 // SignalProxyDetailedAnyType => SignalProxyDetailed