private: remove unused ioctl.h include

The ioctl APIs have moved out of the private header no need to pull it
in.

Signed-off-by: Daniel Wagner <[email protected]>

Author: igaw

libnvme/src/nvme/private.h

@@ -7,7 +7,6 @@
  */
 #pragma once
 
-#include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <sys/types.h>