ISTWCMS-7020: Allowing UW Custom blocks to be placed on the dashboard.

config/install/dashboards.dashboard.my_dashboard.yml

@@ -25,7 +25,6 @@ third_party_settings:
         - 'Lists (Views)'
         - Menus
         - System
-        - 'UW Custom Blocks'
         - Webform
       blacklisted_blocks: {  }
       whitelisted_blocks: {  }