Move enum from AutomationUtils.Automation to BuildUtilities
#jira none
#trivial
#preflight 60ca8a3d78c3b00001f86b24
[CL 16701095 by jonathan adamczewski in ue5-main branch]
Removed old -skipxboxauth flag
#rb codereview
#ROBOMERGE-SOURCE: CL 5749377 via CL 5749558 via CL 5749651 via CL 5749736 via CL 5754588
[CL 5754753 by andrew grant in Main branch]