Simplify Docs Workflow organization page

Docs Workflow organization page needs to be in line with the repo.

Docs Workflow organization page https://docs.fedoraproject.org/en-US/fedora-docs/organizational/workflow/

Labels definition in Documentation Contributors Guide repo https://gitlab.com/fedora/docs/community-tools/documentation-contributors-guide/-/labels

Goals

• Categorize labels same as repo: Prioritized Labels and Other Labels.
• Simplify wording on workflows
• De-duplicate content on MR
• Remove ambiguities on MR