Remove expiration tags from "About secret scanning" (#55178)

Author: guntrip

content/code-security/secret-scanning/introduction/about-secret-scanning.md

@@ -24,12 +24,8 @@ shortTitle: Secret scanning
 
 {% data variables.product.prodname_secret_scanning_caps %} is a security feature that helps detect and prevent the accidental inclusion of sensitive information such as API keys, passwords, tokens, and other secrets in your repository. When enabled, {% data variables.product.prodname_secret_scanning %} scans commits in repositories for known types of secrets and alerts repository administrators upon detection.
 
-<!-- expires 2025-04-04 -->
-
 {% data variables.product.prodname_secret_scanning_caps %} scans your entire Git history on all branches present in your {% data variables.product.prodname_dotcom %} repository for secrets, even if the repository is archived. {% data variables.product.prodname_dotcom %} will also periodically run a full Git history scan for new secret types in existing content in {% ifversion fpt or ghec %}public repositories{% else %}repositories with {% data variables.product.prodname_GH_secret_protection %} enabled{% endif %} where {% data variables.product.prodname_secret_scanning %} is enabled when new supported secret types are added.
 
-<!-- end expires 2025-04-04 -->
-
 {% data reusables.secret-scanning.what-is-scanned %}
 
 {% ifversion ghas-products %}{% ifversion secret-risk-assessment %}