bhyve: process: remove unneeded header

Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRyan Moeller <ryan@iXsystems.com>

src/bhyve/bhyve_process.c

@@ -27,7 +27,6 @@
 #include <sys/types.h>
 #include <sys/sysctl.h>
 #include <sys/user.h>
-#include <sys/ioctl.h>
 #include <net/if.h>
 #include <net/if_tap.h>