Merge branch 'docs-remove-adjacent-backslashes' into 'master'

Remove adjacent backslashes in deploy board docs link

See merge request gitlab-org/gitlab!43889

doc/ci/migration/jenkins.md

@@ -23,7 +23,7 @@ that were able to quickly complete this migration:
    1. Use the [Jenkins Wrapper](#jenkinsfile-wrapper) to temporarily maintain fragile Jenkins jobs.
    1. Migrate the build and CI jobs and configure them to show results directly in your merge requests. They can use [Auto DevOps](../../topics/autodevops/index.md) as a starting point, and [customize](../../topics/autodevops/customize.md) or [decompose](../../topics/autodevops/customize.md#using-components-of-auto-devops) the configuration as needed.
    1. Add [Review Apps](../review_apps/index.md).
-   1. Migrate the deployment jobs using [cloud deployment templates](../cloud_deployment/index.md), adding [environments](../environments/index.md), and [deploy boards](../..//user/project/deploy_boards.md).
+   1. Migrate the deployment jobs using [cloud deployment templates](../cloud_deployment/index.md), adding [environments](../environments/index.md), and [deploy boards](../../user/project/deploy_boards.md).
    1. Work to unwrap any jobs still running with the use of the Jenkins wrapper.
 1. Take stock of any common CI/CD job definitions then create and share [templates](#templates) for them.
 1. Check the [pipeline efficiency documentation](../pipelines/pipeline_efficiency.md)