Adrien Boitreaud

[DJM K8s documentation] Remove two old host tags

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### What does this PR do? What is the motivation? Remove two old host tags we used to ask customers to add to their `datadog.yaml` . They were used for...

DJM Installer: workspace prefixed REDAPL resources

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### What does this PR do? Write REDAPL resource tags with workspace name as prefix. ### Motivation Changes to the Databricks crawler: https://github.com/DataDog/dogweb/pull/147650 ### Describe how you validated your changes...