Disable empty doc/ includes resolving

build/sysincl/unsorted.yml

@@ -58,12 +58,6 @@
   - dir.h
   - dither.h
   - dl.h
-  - doc/doc_dynamic.h
-  - doc/doc_nan.h
-  - doc/doc_printf.h
-  - doc/doc_register.h
-  - doc/doc_scanf.h
-  - doc/doc_static.h
   - dvidef.h
   - fastmath.h
   - fcntl--.h