Avoid including hostfile.h when not necessarry as it pulls

in OS-specific headers which may redefine generic names
	like "far".

include/grub/emu/misc.h

@@ -24,7 +24,6 @@
 
 #include <grub/symbol.h>
 #include <grub/types.h>
-#include <grub/osdep/hostfile.h>
 
 extern int verbosity;
 extern const char *program_name;

include/grub/util/misc.h

@@ -29,7 +29,6 @@
 #include <grub/types.h>
 #include <grub/symbol.h>
 #include <grub/emu/misc.h>
-#include <grub/osdep/hostfile.h>
 
 char *grub_util_get_path (const char *dir, const char *file);
 size_t grub_util_get_image_size (const char *path);