Update _index.md

Author: Adam Dupaski

content/en/docs/releasenotes/developer-portal/_index.md

@@ -24,8 +24,6 @@ To see the current status of the Mendix Developer Portal and Control Center, see
 * In Control Center, we increased the limit of apps you can [activate or deactivate](/developerportal/control-center/#active-deactivated) to 100.
 * We added the **Contributor** access role in [Portfolio Management](/developerportal/portfolio-management/#access-management), and we renamed the **User** access role to **Viewer**.
 
-### March 15th, 2023
-
 #### Deprecations
 
 * We have deprecated **General Settings** > **Webhooks** for app Sprints and stories. For more information, see the deprecation note in [Webhooks](/developerportal/collaborate/general-settings/#webhooks). You can now set deployment webhooks for your app. These are described in [Mendix Deployment Webhooks](/developerportal/deploy/webhooks/).