Update 5.x-rc.md

doc/5.x-rc.md

@@ -72,16 +72,11 @@ git scan push -p origin 5.X -n -T
 git scan push -p origin 5.X
 ```
 
-You might want to spot-check a few URLs to ensure the branches were published, e.g.
-
-* https://github.com/civicrm/civicrm-backdrop/tree/1.x-5.X
-* https://github.com/civicrm/civicrm-core/tree/5.X
-* https://github.com/civicrm/civicrm-drupal/tree/6.x-5.X
-* https://github.com/civicrm/civicrm-drupal/tree/7.x-5.X
-* https://github.com/civicrm/civicrm-drupal-8/tree/5.X
-* https://github.com/civicrm/civicrm-joomla/tree/5.X
-* https://github.com/civicrm/civicrm-packages/tree/5.X
-* https://github.com/civicrm/civicrm-wordpress/tree/5.X
+Finally, skim the published branches to make sure they match up:
+
+```
+civi-git-table --fetch master 5.X
+```
 
 ## 4: Setup automated processes