Remove unwanted trailing spaces

doc/administration/geo/replication/configuration.md

doc/administration/instance_limits.md

doc/administration/packages/container_registry.md

doc/administration/postgresql/pgbouncer.md

doc/ci/enable_or_disable_ci.md

doc/development/api_graphql_styleguide.md

doc/development/dangerbot.md

doc/development/database/database_migration_pipeline.md

doc/development/integrations/secure.md

doc/development/sql.md

doc/install/postgresql_extensions.md

doc/subscriptions/self_managed/index.md

doc/user/admin_area/license.md

doc/user/application_security/dast/browser_based.md

...usters/manage/management_project_applications/apparmor.md

...lusters/manage/management_project_applications/ingress.md

...clusters/manage/management_project_applications/sentry.md

doc/user/infrastructure/iac/index.md

doc/user/markdown.md

doc/user/project/issue_board.md