Remove un-needed headers

This fixes some heavily-parallels build failures

python/port/port.cpp

@@ -1,4 +1,3 @@
-#include <apps/i18n.h>
 #include <escher/metric.h>
 #include <ion/display.h>
 #include <ion/events.h>

python/port/port.h

@@ -1,6 +1,10 @@
 #ifndef PYTHON_PORT_H
 #define PYTHON_PORT_H
 
+extern "C" {
+#include <stddef.h>
+}
+
 namespace MicroPython {
 
 class ScriptProvider {