[XSOAR CI/CD] New playbook - Delete Custom Content

Packs/ContentManagement/Playbooks/playbook-Delete_Custom_Content_README.md

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+This playbook deletes custom content from the system. It deletes playbooks, scripts, layouts, incident types and incident fields.
+
+## Dependencies
+
+This playbook uses the following sub-playbooks, integrations, and scripts.
+
+### Sub-playbooks
+
+This playbook does not use any sub-playbooks.
+
+### Integrations
+
+This playbook does not use any integrations.
+
+### Scripts
+
+* DeleteContext
+* PrintErrorEntry
+* Print
+* DeleteContent
+* GetIdsFromCustomContent
+
+### Commands
+
+* core-api-download
+
+## Playbook Inputs
+
+---
+
+| **Name** | **Description** | **Default Value** | **Required** |
+| --- | --- | --- | --- |
+| dry_run | If true, will not actually delete any content entities. | true | Required |
+
+## Playbook Outputs
+
+---
+There are no outputs for this playbook.
+
+## Playbook Image
+
+---
+
+![DeleteCustomContent](../doc_files/DeleteCustomContent.png)

Packs/ContentManagement/ReleaseNotes/1_2_9.md

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+
+#### Playbooks
+
+##### New: Delete Custom Content
+
+- New: This playbook deletes custom content from the system. It deletes Playbooks, Scripts, Layouts, Classifiers, Mappers, Incident Types and Incident Fields. (Available from Cortex XSOAR 6.8.0).
+
+#### Scripts
+
+##### New: GetIdsFromCustomContent
+
+- New: Extract custom content ids from custom content bundle file and exclude ids as specified. (Available from Cortex XSOAR 6.0.0).
+##### DeleteContent
+
+- Improved the *readable output* to include the deleted content name.
+- Updated the Docker image to: *demisto/python3:3.10.12.62631*.