[evolution-data-server] Remove unused CAMEL_MESSAGE_HIDDEN flag.

[Matthew Barnes <mbarnes src gnome org>]

commit 7d575ec6caa5653121698f7f82e0123f3acce7b5
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Sep 17 12:55:29 2013 -0400

    Remove unused CAMEL_MESSAGE_HIDDEN flag.

 camel/camel-folder-summary.h |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/camel/camel-folder-summary.h b/camel/camel-folder-summary.h
index ce66c78..c9597e4 100644
--- a/camel/camel-folder-summary.h
+++ b/camel/camel-folder-summary.h
@@ -95,9 +95,8 @@ typedef enum _CamelMessageFlags {
        CAMEL_MESSAGE_ANSWERED_ALL = 1 << 6,
        CAMEL_MESSAGE_JUNK = 1 << 7,
        CAMEL_MESSAGE_SECURE = 1 << 8,
-       CAMEL_MESSAGE_HIDDEN = 1 << 9,
-       CAMEL_MESSAGE_NOTJUNK = 1 << 10,
-       CAMEL_MESSAGE_FORWARDED = 1 << 11,
+       CAMEL_MESSAGE_NOTJUNK = 1 << 9,
+       CAMEL_MESSAGE_FORWARDED = 1 << 10,
 
        /* following flags are for the folder, and are not really permanent flags */
        CAMEL_MESSAGE_FOLDER_FLAGGED = 1 << 16, /* for use by the folder implementation */