Remove EOL whitespace in doc files

doc/administration/audit_event_streaming.md

...dministration/geo/replication/version_specific_updates.md

doc/administration/gitaly/praefect.md

doc/administration/gitaly/troubleshooting.md

doc/administration/job_artifacts.md

doc/administration/repository_checks.md

doc/ci/secrets/index.md

doc/development/contributing/verify/index.md

doc/development/documentation/styleguide/index.md

doc/development/experiment_guide/index.md

doc/development/integrations/jira_connect.md

doc/development/integrations/secure.md

doc/development/merge_request_concepts/index.md

doc/development/product_qualified_lead_guide/index.md

doc/development/secure_coding_guidelines.md

doc/development/service_ping/index.md

doc/integration/saml.md

doc/topics/offline/quick_start_guide.md

doc/user/application_security/sast/index.md

doc/user/application_security/vulnerabilities/index.md