Merge pull request #678 from cakephp/chore/cleanup

Cleanup unused stickler config file

Author: ADmad

.gitattributes

@@ -7,10 +7,13 @@
 .editorconfig export-ignore
 .gitattributes export-ignore
 .gitignore export-ignore
-.stickler.yml export-ignore
 CONTRIBUTING.md export-ignore
 docs.Dockerfile export-ignore
 phpunit.xml export-ignore
 phpcs.xml export-ignore
 /.github export-ignore
 /tests export-ignore
+phpstan.neon export-ignore
+phpstan-baseline.neon export-ignore
+psalm.xml export-ignore
+psalm-baseline.xml export-ignore