Remove article (#4765)

Author: jpipkin1

blog-cse/2023/12-31.md

@@ -247,8 +247,6 @@ The new index is automatically generated and retained for a period of 2 years at
 
 As a result, the optional legacy Signal Forwarding feature in Cloud SIEM will be deprecated on **November 15, 2023**. Existing data will not be deleted, but new Signals generated after that date will no longer be forwarded using that feature and the option will no longer be available. (Signals will continue to be forwarded automatically to `sec_signal`.) Customers leveraging data forwarded using the legacy feature to generate dashboards (or for other use cases) will need to modify those applications to use the new `sec_signal` index before then. Note that the content of the `sec_signal` index is not identical to the content in data forwarded using the legacy option.
 
-For more information about this change, and the differences between the two data sets, refer to our [2023 Cloud SIEM Signal Index Migration FAQ](/docs/cse/records-signals-entities-insights/signal-index-migration-faq/).
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