writefrudata: drop unused lib mapper header

Drop unused lib mapper header.

Change-Id: Ia7d2aad793d49d0c0cd5c5636e1e240147c25188
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/writefrudata.cpp b/writefrudata.cpp
index 1fa363a..50d1fb0 100644
--- a/writefrudata.cpp
+++ b/writefrudata.cpp
@@ -5,7 +5,6 @@
 #include "types.hpp"
 
 #include <host-ipmid/ipmid-api.h>
-#include <mapper.h>
 #include <systemd/sd-bus.h>
 #include <unistd.h>