drop older content

Author: quarckster

scaffold/index.md

@@ -13,9 +13,5 @@ A good starting point for understanding some of the key concepts in OpenSSL 3.0
 migrating existing applications to OpenSSL 3.0 are available in the
 [OpenSSL 3.0 Migration Guide](/3.0/man7/migration_guide).
 
-Ivan Ristić, the creator of <https://ssllabs.com>, has a free download of his *OpenSSL Cookbook*
-that covers the most frequently used OpenSSL features and commands. It is updated often, and is
-available at <https://www.feistyduck.com/books/openssl-cookbook/>. It is highly recommended.
-
 Information related to the OpenSSL FIPS Validation [FIPS 140-2 validation](fips.md) is also
 available.