Backed out changeset 12f97a5bc3b6 (bug 468824) for causing failed unit test because of differences between config/system-headers and js/src/config/system-headers

config/system-headers

@@ -1036,9 +1036,3 @@ hunspell.hxx
 #if MOZ_NATIVE_BZ2==1
 bzlib.h
 #endif
-#ifdef MOZ_PLATFORM_HILDON
-hildon-uri.h
-#endif
-#ifdef NS_OSSO
-libosso.h
-#endif