walkchangerevs: simplify by using match.always() method Since "slowpath = match.anypats() or (match.files() and opts.get('removed'))", we can simplify the condition "not slowpath and not match.files()" to "not match.anypats() and not match.files()", which is equivalent to "match.always()".

localrepo: simplify by using match.always() method

localrepo: remove check for matcher object that's never None