Merge branch 'feat-end-maintenance' into 'main'

Remove planned maintenance

See merge request !14

announcement.md

-There is a planned maintenance window affecting Cheaha GPU nodes and Cloud.rc from April 21-27, 2025. These resources will be unavailable during this window.
-
-Read more at our News page: https://docs.rc.uab.edu/news/#2025-04-21-planned-maintenance-window

motd

@@ -30,9 +30,3 @@ For more information on Cheaha and the tools available to support research pleas
 Use of Cheaha, and other UABRC resources, is governed by the
 [UAB Acceptable Use Policy for Computer and Network Resources](https://secure2.compliancebridge.com/uab/portal/getdoc.php?file=300)
 and other relevant [UAB IT Policies](https://www.uab.edu/it/home/policies).
-
------------ !! Planned Maintenance !! -----------
-
-There is a planned maintenance window affecting Cheaha GPU nodes and Cloud.rc from April 21-27, 2025. These resources will be unavailable during this window.
-
-Read more at our News page: https://docs.rc.uab.edu/news/#2025-04-21-planned-maintenance-window