User Story:

After we migrate all clients to AWS SDK v2, we can start removing any unused AWS SDK v1 code and the go deps.

Acceptance Criteria:

Description of criteria:

• Complete removal of AWS SDK v1 go deps

(optional) Out of Scope:

Detail about what is specifically not being delivered in the story

Engineering Details:

• https://github.com/openshift/installer/blob/main/pkg/asset/installconfig/aws/session.go 
• https://github.com/openshift/installer/blob/656f3015c1605c963ed89b04f5546b13adbf07b8/go.mod#L40 

This requires/does not require a design proposal.
This requires/does not require a feature gate.