block: remove "qemu/osdep.h" from header file

applied using ./scripts/clean-includes
Signed-off-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

block/dmg.h

@@ -26,7 +26,6 @@
 #ifndef BLOCK_DMG_H
 #define BLOCK_DMG_H
 
-#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "block/block_int.h"
 #include <zlib.h>