Remove "scheduled publication" guide (#1247)

* Update cron task code to v4

* WIP

* Remove scheduled publication guide

Updated to v4 and moved to the forum:
https://forum.strapi.io/t/schedule-publications/23184

Author: pwizla

docs/.vuepress/config/sidebar-developer.js

@@ -488,19 +488,4 @@ const developer = [
       },
     ],
   },
-  {
-    title: '📚 Guides',
-    collapsable: true,
-    children: [
-      // ['/developer-docs/latest/guides/is-owner', 'Create is owner policy'],
-      // ['/developer-docs/latest/guides/custom-admin', 'Custom admin'],
-      // ['/developer-docs/latest/guides/custom-data-response', 'Custom data response'],
-      // ['/developer-docs/latest/guides/error-catching', 'Error catching'],
-      // ['/developer-docs/latest/guides/external-data', 'Fetching external data'],
-      ['/developer-docs/latest/guides/scheduled-publication', 'Scheduled publication'],
-      // ['/developer-docs/latest/guides/secure-your-app', 'Secure your application'],
-      // ['/developer-docs/latest/guides/send-email', 'Send email programmatically'],
-      // ['/developer-docs/latest/guides/client', 'Setup a third party client'],
-    ],
-  },
 ];

docs/.vuepress/redirects

@@ -10,5 +10,5 @@
 /developer-docs/latest/guides/unit-testing.html /developer-docs/latest/developer-resources/unit-testing.html
 /developer-docs/latest/guides/auth-request.html /developer-docs/latest/plugins/users-permissions.html
 /developer-docs/latest/guides/registering-a-field-in-admin.html /developer-docs/latest/development/custom-fields.html
-/developer-docs/latest/guides/slug.html /developer-docs/latest/development/backend-customization/models.html
+/developer-docs/latest/guides/scheduled-publication.html /user-docs/latest/content-manager/saving-and-publishing-content.html
 /developer-docs/latest/guides/jwt-validation.html /developer-docs/latest/plugins/users-permissions.html

docs/developer-docs/latest/guides/scheduled-publication.md

@@ -32,6 +32,10 @@ When a content is not a draft anymore, but has been published, it is indicated o
 
 ![Editing published version](../assets/content-manager/editing_published_version.png)
 
+::: tip
+To schedule publication, i.e. convert a draft to a published entry at a given date and time, you can follow [this technical guide](https://forum.strapi.io/t/schedule-publications/23184) which requires adding custom code to the Strapi application.
+:::
+
 ### Unpublishing content
 
 Published contents can be unpublished, switching back to being drafts again.
@@ -51,4 +55,4 @@ You can delete entries from the list view of a collection type, by clicking on t
 
 ::: caution
 If the [Internationalization plugin](/user-docs/latest/plugins/strapi-plugins.md#internationalization-plugin) is installed, entries can only be deleted one locale at the time.
-:::
+:::