[glibmm] Remove unused Glib::SArray

[Murray Cumming <murrayc src gnome org>]

commit bde970797f20508a9970520a45e443edd5ea7065
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Mar 17 10:29:22 2017 +0100

    Remove unused Glib::SArray

 glib/glibmm/filelist.am |    2 --
 glib/glibmm/sarray.cc   |   23 -----------------------
 glib/glibmm/sarray.h    |   40 ----------------------------------------
 3 files changed, 0 insertions(+), 65 deletions(-)
---
diff --git a/glib/glibmm/filelist.am b/glib/glibmm/filelist.am
index e04a0b7..4bbb847 100644
--- a/glib/glibmm/filelist.am
+++ b/glib/glibmm/filelist.am
@@ -26,7 +26,6 @@ glibmm_files_extra_cc =                       \
        propertyproxy_base.cc           \
        quark.cc                        \
        random.cc                       \
-       sarray.cc                       \
        signalproxy.cc                  \
        signalproxy_connectionnode.cc   \
        streamiochannel.cc              \
@@ -69,7 +68,6 @@ glibmm_files_extra_h =                        \
        quark.h                         \
        random.h                        \
        refptr.h                        \
-       sarray.h                        \
        signalproxy.h                   \
        signalproxy_connectionnode.h    \
        slisthandle.h                   \