Trim extra whitespace

doc/administration/geo/replication/troubleshooting.md

doc/api/graphql/getting_started.md

doc/architecture/blueprints/cells/routing-service.md

doc/architecture/blueprints/gitlab_services/index.md

doc/architecture/blueprints/gitlab_steps/implementation.md

doc/ci/ssh_keys/index.md

doc/ci/testing/unit_test_reports.md

doc/development/ai_features/glossary.md

doc/development/contributing/issue_workflow.md

doc/solutions/cloud/aws/gitlab_aws_integration.md

doc/update/versions/gitlab_16_changes.md

doc/user/ai_features.md

doc/user/analytics/dora_metrics.md

doc/user/application_security/dast/checks/94.2.md

doc/user/group/saml_sso/troubleshooting.md

doc/user/packages/generic_packages/index.md