over prescriptive password rule

[richardhenwood-dell]

Describe the bug
S3 requires a password to be set. The document says: Should not be kept 'admin'. There is a rule that prohibits using admin. If a user wants to use admin as the password they should be able to.

To Reproduce
Steps to reproduce the behavior:

1. When prompted to provide an s3 password, type admin
2. See error

Expected behavior
admin should be accepted as the password