Update Human data page to remove redundant information

**Link to the page of interest**
https://rdmkit.elixir-europe.org/human_data#processing-and-analysing-human-research-data

**Describe what you would change to the page**

Check if there is any redundant information to be removed regarding Information Security that is now available on https://rdmkit.elixir-europe.org/data_protection (to be renamed to Data Security).

Dependent on https://github.com/elixir-europe/rdmkit/pull/1264 being merged before making any changes