[evolution] Fix duplicate entry in HELP_FILES.

[Matthew Barnes <mbarnes src gnome org>]

commit c7ded9a0dfadc69f603c524c5816fe32229545f6
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed Apr 17 08:15:33 2013 -0400

    Fix duplicate entry in HELP_FILES.
    
    This has been breaking distcheck for ages!
    
    It figures it would turn out to be something this stupid...

 help/Makefile.am | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/help/Makefile.am b/help/Makefile.am
index 391d7bb..7bb7403 100644
--- a/help/Makefile.am
+++ b/help/Makefile.am
@@ -116,7 +116,6 @@ HELP_FILES = \
        mail-change-time-format.page \
        mail-composer-change-quotation-string.page \
        mail-composer-custom-header-lines.page \
-       mail-composer-forward-as-attachment.page \
        mail-composer-enable-html-format.page \
        mail-composer-forward.page \
        mail-composer-forward-as-attachment.page \