Clean up docs redirects - 2021-09-15

doc/administration/operations/unicorn.md

----
-redirect_to: 'puma.md'
-remove_date: '2021-08-26'
----
-
-This file was moved to [another location](puma.md).
-
-<!-- This redirect file can be deleted after <2021-08-26>. -->
-<!-- Before deletion, see: https://docs.gitlab.com/ee/development/documentation/#move-or-rename-a-page -->

doc/user/project/integrations/index.md

@@ -17,8 +17,8 @@ For more information, read the
 [overview of integrations](overview.md) or learn how to manage your integrations:
 
 - *For GitLab 13.3 and later,* read [Project integration management](../../admin_area/settings/project_integration_management.md).
-- *For GitLab 13.2 and earlier,* read [Service Templates](services_templates.md),
-  which are deprecated and [scheduled to be removed](https://gitlab.com/gitlab-org/gitlab/-/issues/268032)
+- *For GitLab 13.2 and earlier,* read [Integration Management](../../admin_area/settings/project_integration_management.md),
+  which replaced the deprecated Service Templates [removed](https://gitlab.com/gitlab-org/gitlab/-/issues/268032)
   in GitLab 14.0.
 
 ## Project webhooks

doc/user/project/integrations/services_templates.md

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-redirect_to: '../../admin_area/settings/project_integration_management.md'
-remove_date: '2021-09-09'
----
-
-This document was moved to [another location](../../admin_area/settings/project_integration_management.md).
-
-<!-- This redirect file can be deleted after <2021-09-09>. -->
-<!-- Before deletion, see: https://docs.gitlab.com/ee/development/documentation/#move-or-rename-a-page -->