Merge branch 'oohira-master-patch-08737' into 'master'

Delete duplicate `milestone` attribute description

See merge request gitlab-org/gitlab!63265

doc/api/issues.md

@@ -65,7 +65,6 @@ GET /issues?state=opened
 | `issue_type`        | string           | no         | Filter to a given type of issue. One of `issue`, `incident`, or `test_case`. _(Introduced in [GitLab 13.12](https://gitlab.com/gitlab-org/gitlab/-/issues/260375))_ |
 | `iteration_id` **(PREMIUM)** | integer | no         | Return issues assigned to the given iteration ID. `None` returns issues that do not belong to an iteration. `Any` returns issues that belong to an iteration. Mutually exclusive with `iteration_title`. _([Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/118742) in GitLab 13.6)_ |
 | `iteration_title` **(PREMIUM)** | string | no       | Return issues assigned to the iteration with the given title. Similar to `iteration_id` and mutually exclusive with `iteration_id`. _([Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/118742) in GitLab 13.6)_ |
-| `milestone`         | string           | no         | The milestone title. `None` lists all issues with no milestone. `Any` lists all issues that have an assigned milestone.                             |
 | `labels`            | string           | no         | Comma-separated list of label names, issues must have all labels to be returned. `None` lists all issues with no labels. `Any` lists all issues with at least one label. `No+Label` (Deprecated) lists all issues with no labels. Predefined names are case-insensitive. |
 | `milestone`         | string           | no         | The milestone title. `None` lists all issues with no milestone. `Any` lists all issues that have an assigned milestone.                             |
 | `my_reaction_emoji` | string           | no         | Return issues reacted by the authenticated user by the given `emoji`. `None` returns issues not given a reaction. `Any` returns issues given at least one reaction. _([Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/14016) in GitLab 10.0)_ |