[libsigc++2] m4: Remove unused UPPER and LOWER functions.

[Murray Cumming <murrayc src gnome org>]

commit ca4bdb2abb95180b3e64f2375de115a0b21b9eda
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Jan 14 09:35:42 2016 +0100

    m4: Remove unused UPPER and LOWER functions.

 sigc++/macros/template.macros.m4 |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/sigc++/macros/template.macros.m4 b/sigc++/macros/template.macros.m4
index 58fb5ab..8a41bcc 100644
--- a/sigc++/macros/template.macros.m4
+++ b/sigc++/macros/template.macros.m4
@@ -54,8 +54,6 @@ dnl
 dnl General macros
 dnl
 
-define([UPPER],[translit([$*],[abcdefghijklmnopqrstuvwxyz],[ABCDEFGHIJKLMNOPQRSTUVWXYZ])])
-define([LOWER],[translit([$*],[ABCDEFGHIJKLMNOPQRSTUVWXYZ],[abcdefghijklmnopqrstuvwxyz])])
 define([PROT],[[$*]])
 
 define([_LOOP],