Removed community roles page

Because it is very rarely viewed

Related to: https://gitlab.com/gitlab-org/technical-writing/-/issues/744

doc/development/contributing/community_roles.md

 ---
-stage: none
-group: Development
-info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments
+redirect_to: 'index.md'
+remove_date: '2023-05-08'
 ---
 
-# Community members & roles
+This document was moved to [another location](index.md).
 
-GitLab community members and their privileges/responsibilities.
-
-| Roles | Responsibilities | Requirements |
-|-------|------------------|--------------|
-| Maintainer | Accepts merge requests on several GitLab projects | Added to the [team page](https://about.gitlab.com/company/team/). An expert on code reviews and knows the product/codebase |
-| Reviewer | Performs code reviews on MRs | Added to the [team page](https://about.gitlab.com/company/team/) |
-| Developer | Has access to GitLab internal infrastructure & issues (for example, HR-related) | GitLab employee or a Core Team member (with an NDA) |
-| Contributor | Can make contributions to all GitLab public projects | Have a GitLab.com account |
-
-[List of current reviewers/maintainers](https://about.gitlab.com/handbook/engineering/projects/#gitlab).
+<!-- This redirect file can be deleted after <2023-05-08>. -->
+<!-- Redirects that point to other docs in the same project expire in three months. -->
+<!-- Redirects that point to docs in a different project or site (for example, link is not relative and starts with `https:`) expire in one year. -->
+<!-- Before deletion, see: https://docs.gitlab.com/ee/development/documentation/redirects.html -->

doc/development/contributing/index.md

@@ -23,9 +23,6 @@ GitLab comes in two flavors:
 
 Throughout this guide you will see references to CE and EE for abbreviation.
 
-To get an overview of GitLab community membership, including those that would review or merge
-your contributions, visit [the community roles page](community_roles.md).
-
 ## Code of conduct
 
 We want to create a welcoming environment for everyone who is interested in contributing.