Remove "read access" from prevented access types (#23702)

Author: audreee

data/reusables/enterprise_migrations/locking-repositories.md

@@ -1,6 +1,6 @@
 {% tip %}
 
-**Note:** Locking a repository prevents all read or write access to the repository. You cannot associate new teams or collaborators with a locked repository.
+**Note:** Locking a repository prevents all write access to the repository. You cannot associate new teams or collaborators with a locked repository.
 
 If you're performing a trial run, you do not need to lock the repository. When you migrate data from a repository that's in use, {% data variables.product.company_short %} strongly recommends locking the repository. For more information, see "[About Migrations](/enterprise/admin/migrations/about-migrations#types-of-migrations)."
 {% endtip %}