Merge pull request kroxylicious#2215 from robobario/remove-that-footnote-ref

Remove dead footnote link

Author: robobario

docs/modules/record-encryption/con-record-encryption-overview.adoc

@@ -77,7 +77,7 @@ When a KEK is rotated, the new key material is eventually used for newly produce
 
 IMPORTANT: If your encrypted topic is receiving regular traffic, the Data Encryption Key (DEK) will be refreshed as new records flow through. However, if messages are infrequent, the DEK might be used for up to 2 hours (by default) after its creation.
 
-When the KEK is rotated in the external KMS, it will take up to 1 hour (by default) before all{fn-dek-refresh} records produced by the filter
+When the KEK is rotated in the external KMS, it will take up to 1 hour (by default) before all records produced by the filter
 contain a DEK encrypted with the new key material. This is because existing encrypted DEKs are used for a configurable
 amount of time after creation, the Filter caches the encrypted DEK, one hour after creation they are eligible to be refreshed.