Remove unneeded kvm.h from cpu-exec.c

This was obsoleted by 6792a57b.
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>

cpu-exec.c

@@ -20,7 +20,6 @@
 #include "exec.h"
 #include "disas.h"
 #include "tcg.h"
-#include "kvm.h"
 #include "qemu-barrier.h"
 
 #if defined(__sparc__) && !defined(CONFIG_SOLARIS)