replace dead-code detection with PHP mess detector metrics

build/scripts/lint.sh

@@ -28,7 +28,7 @@ docker-compose run --rm php climb || EXIT_CODE=1
 docker-compose run --rm php vendor/bin/php-cs-fixer fix --dry-run --format=txt -v src || EXIT_CODE=1
 docker run --rm -v "${PWD}:/project" jolicode/phaudit phploc src/
 docker run --rm -v "${PWD}:/project" jolicode/phaudit phpcpd src/
-docker run --rm -v "${PWD}:/project" jolicode/phaudit phpdcd src/
+docker run --rm -v "${PWD}:/project" jolicode/phaudit phpmd src text cleancode,codesize,controversial,design,naming,unusedcode
 docker run --rm -v "${PWD}:/project" jolicode/phaudit phpmetrics --report-html=tests/_metrics/report.html src/
 
 # shell scripts