efi_loader: remove unused typedef for INTN

INTN is not used in the coding.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>

include/efi_api.h

@@ -29,7 +29,6 @@ enum efi_timer_delay {
 };
 
 #define UINTN size_t
-typedef long INTN;
 typedef uint16_t *efi_string_t;
 
 #define EVT_TIMER				0x80000000