tools/hvmloader: Drop machelf include as well

The logic behind switching to elfstructs applies to sun builds as well.

Fixes: 81b2b32 ("hvmloader: use Xen private header for elf structs")
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
Release-Acked-by: Ian Jackson <iwj@xenproject.org>

tools/firmware/hvmloader/32bitbios_support.c

@@ -22,9 +22,6 @@
 
 #include <inttypes.h>
 #include <xen/libelf/elfstructs.h>
-#ifdef __sun__
-#include <sys/machelf.h>
-#endif
 
 #include "util.h"
 #include "config.h"