rm-logfiles

replaced Lexicon.scan_id by Scanner.scan_id;
replaced const_name by Syntax.const_name;

#! /bin/sh
#rm-logfiles: remove useless files from subdirectories
rm log */make*.log */make*.log.gz
rm */test
rm */.*.thy.ML
rm */ex/.*.thy.ML
rm HOL/Subst/.*.thy.ML