libflashrom: remove flashrom_system_info

void flashrom_system_info(void) has no implementation nor any relation
to existing code.

Change-Id: Iad805322aeead149a8d51ad8bf0babde2a12f01f
Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.de>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/55351
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/libflashrom.h b/libflashrom.h
index f2b3e46..eab78ad 100644
--- a/libflashrom.h
+++ b/libflashrom.h
@@ -75,7 +75,6 @@
 };
 
 const char *flashrom_version_info(void);
-void flashrom_system_info(void);
 struct flashrom_flashchip_info *flashrom_supported_flash_chips(void);
 struct flashrom_board_info *flashrom_supported_boards(void);
 struct flashrom_chipset_info *flashrom_supported_chipsets(void);
diff --git a/libflashrom.map b/libflashrom.map
index 0c28a68..feb20f8 100644
--- a/libflashrom.map
+++ b/libflashrom.map
@@ -24,7 +24,6 @@
     flashrom_programmer_shutdown;
     flashrom_set_log_callback;
     flashrom_shutdown;
-    flashrom_system_info;
     flashrom_version_info;
   local: *;
 };