fix(aws): support MFA for profiles without role to assume (#9411)

Previously, the plugin only supported MFA for profiles that had a role to assume, specified in role_arn. Now, the plugin supports MFA for profiles without a role to assume.

Closes #9408

* refactor(aws plugin): remove dependency on jq

Previously, acp command relied on jq. Now that dependency has been removed, as well as some linter suggestions implemented.