[notification-daemon] remove unused sound.[c/h]

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 93cf8c22550880d99fccd6c50a8f6fa7e3cd254d
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Sep 16 16:24:33 2015 +0300

    remove unused sound.[c/h]

 configure.ac    |    2 --
 po/POTFILES.in  |    1 -
 src/Makefile.am |   10 ++++------
 src/sound.c     |   38 --------------------------------------
 src/sound.h     |   29 -----------------------------
 5 files changed, 4 insertions(+), 76 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 4ed77f6..2dabc30 100644
--- a/configure.ac
+++ b/configure.ac
@@ -81,13 +81,11 @@ dnl **************************************************************************
 
 GTK_REQUIRED=3.15.2
 GLIB_REQUIRED=2.27.0
-CANBERRA_REQUIRED=0.4
 
 PKG_CHECK_MODULES([NOTIFICATION_DAEMON], [
   gtk+-3.0 >= $GTK_REQUIRED
   glib-2.0 >= $GLIB_REQUIRED
   gio-2.0 >= $GLIB_REQUIRED
-  libcanberra-gtk3 >= $CANBERRA_REQUIRED
   x11
 ])
 
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 5c3bfc8..886cbc9 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -6,4 +6,3 @@ src/nd-bubble.c
 src/nd-daemon.c
 src/nd-notification-box.c
 src/nd-queue.c
-src/sound.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 789fc16..5cbc2e8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -5,20 +5,18 @@ libexec_PROGRAMS = \
        $(NULL)
 
 notification_daemon_SOURCES = \
+       nd-bubble.c \
+       nd-bubble.h \
        nd-daemon.c \
        nd-daemon.h \
        nd-notification.c \
        nd-notification.h \
        nd-notification-box.c \
        nd-notification-box.h \
-       nd-bubble.c \
-       nd-bubble.h \
-       nd-stack.c \
-       nd-stack.h \
        nd-queue.c \
        nd-queue.h \
-       sound.c \
-       sound.h \
+       nd-stack.c \
+       nd-stack.h \
        $(BUILT_SOURCES) \
        $(NULL)