maint: remove unused include for assert.h

A number of files were including assert.h but not using any
of the functions it provides

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

disas/ia64.c

@@ -18,7 +18,6 @@
    along with this file; see the file COPYING.  If not, see
    <http://www.gnu.org/licenses/>. */
 
-#include <assert.h>
 #include <string.h>
 
 #include "disas/bfd.h"

hw/i386/xen/xen_platform.c

@@ -23,8 +23,6 @@
  * THE SOFTWARE.
  */
 
-#include <assert.h>
-
 #include "hw/hw.h"
 #include "hw/i386/pc.h"
 #include "hw/ide.h"

linux-user/signal.c

@@ -22,7 +22,6 @@
 #include <stdarg.h>
 #include <unistd.h>
 #include <errno.h>
-#include <assert.h>
 #include <sys/ucontext.h>
 #include <sys/resource.h>
 

target-microblaze/op_helper.c

@@ -18,7 +18,6 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <assert.h>
 #include "cpu.h"
 #include "exec/helper-proto.h"
 #include "qemu/host-utils.h"

target-moxie/helper.c

@@ -19,7 +19,6 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <assert.h>
 
 #include "config.h"
 #include "cpu.h"

target-moxie/translate.c

@@ -26,7 +26,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-#include <assert.h>
 
 #include "cpu.h"
 #include "exec/exec-all.h"

target-sh4/op_helper.c

@@ -16,7 +16,6 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include <assert.h>
 #include <stdlib.h>
 #include "cpu.h"
 #include "exec/helper-proto.h"

tests/test-xbzrle.c

@@ -16,7 +16,6 @@
 #include <strings.h>
 #include <string.h>
 #include <sys/time.h>
-#include <assert.h>
 #include "qemu-common.h"
 #include "include/migration/migration.h"