dm: blk: Drop the systemace.h header

This has nothing of consequence. Remove it and its only inclusion site.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/block/systemace.c b/drivers/block/systemace.c
index 4f14d5f..79e1263 100644
--- a/drivers/block/systemace.c
+++ b/drivers/block/systemace.c
@@ -27,7 +27,6 @@
 
 #include <common.h>
 #include <command.h>
-#include <systemace.h>
 #include <part.h>
 #include <asm/io.h>
 
diff --git a/include/systemace.h b/include/systemace.h
deleted file mode 100644
index bccb2a2..0000000
--- a/include/systemace.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef __SYSTEMACE_H
-#define __SYSTEMACE_H
-/*
- * Copyright (c) 2004 Picture Elements, Inc.
- *    Stephen Williams (steve@picturel.com)
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#endif	/* __SYSTEMACE_H */