Update README.md

remove doublons

Author: ddsanch

security/security-design/README.md

@@ -42,9 +42,3 @@ Copyright (c) 2023 Oracle and/or its affiliates.
 Licensed under the Universal Permissive License (UPL), Version 1.0.
 
 See [LICENSE](https://github.com/oracle-devrel/technology-engineering/blob/folder-structure/LICENSE) for more details.
-
-Copyright (c) 2023 Oracle and/or its affiliates.
-
-Licensed under the Universal Permissive License (UPL), Version 1.0.
-
-See [LICENSE](https://github.com/oracle-devrel/technology-engineering/blob/folder-structure/LICENSE) for more details.