Update Oracle integration links in documentation (#32035)

* Update Oracle integration links in documentation

- these links should have been relative links. corrected.
- staging links fixed.

* Update content/en/cloud_cost_management/setup/oracle.md

Co-authored-by: Rosa Trieu <[email protected]>

---------

Co-authored-by: Rosa Trieu <[email protected]>

Author: michaelcretzman

content/en/cloud_cost_management/setup/oracle.md

@@ -99,8 +99,8 @@ Container cost allocation is not available for OCI. See [Container Cost Allocati
 ## Further reading
 {{< partial name="whats-next/whats-next.html" >}}
 
-[1]:  https://docs.datadoghq.com/integrations/oracle-cloud-infrastructure/
-[2]:  https://app.datadoghq.com/cost/setup?cloud=oracle
-[3]:  https://docs.datadoghq.com/integrations/oracle-cloud-infrastructure/?tab=createvcnrecommended#oci-integration-manual-to-quickstart-migration
+[1]: /integrations/oracle-cloud-infrastructure/
+[2]: https://app.datadoghq.com/cost/setup?cloud=oracle
+[3]: /integrations/oracle-cloud-infrastructure/?tab=createvcnrecommended#oci-integration-manual-to-quickstart-migration
 [4]: https://docs.oracle.com/en-us/iaas/Content/Billing/Concepts/costusagereportsoverview.htm
-[5]: https://docs-staging.datadoghq.com/jahanzeb.hassan/oci-docs-yo/cloud_cost_management/cost_allocation/container_cost_allocation/?tab=aws
+[5]: /cloud_cost_management/cost_allocation/container_cost_allocation/