Remove <sys/ultrasound.h>

This header was once used for constants related to the Gravis
Ultrasound sound card.

ChangeLog

@@ -1,3 +1,9 @@
+2017-05-08  Florian Weimer  <fweimer@redhat.com>
+
+	* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Remove
+	sys/ultrasound.h.
+	* sysdeps/unix/sysv/linux/sys/ultrasound.h: Remove file.
+
 2017-05-08  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/i386/configure.ac (arch_minimum_kernel):

NEWS

@@ -61,6 +61,8 @@ Version 2.26
   can be used with on i[4567]86 and x86_64 is 3.2.  A Linux 3.2 or later
   kernel was already required on all other architectures.
 
+* The obsolete <sys/ultrasound.h> header file has been removed.
+
 Security related changes:
 
 * The DNS stub resolver limits the advertised UDP buffer size to 1200 bytes,

sysdeps/unix/sysv/linux/Makefile

@@ -35,7 +35,7 @@ sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
 		  sys/kd.h sys/soundcard.h sys/vt.h \
 		  sys/quota.h sys/fsuid.h \
 		  scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \
-		  sys/ultrasound.h sys/raw.h sys/personality.h sys/epoll.h \
+		  sys/raw.h sys/personality.h sys/epoll.h \
 		  bits/a.out.h sys/inotify.h sys/signalfd.h sys/eventfd.h \
 		  sys/timerfd.h sys/fanotify.h bits/eventfd.h bits/inotify.h \
 		  bits/signalfd.h bits/timerfd.h bits/epoll.h \

sysdeps/unix/sysv/linux/sys/ultrasound.h

@@ -1 +0,0 @@
-#include <linux/ultrasound.h>