Refactor: Consolidate aws_lb_listener.http_forward + aws_lb_listener.http_redirect

[Gowiem]

Describe the Feature

Simple consolidate of two resources that could be done. See conversation here: #140 (comment)

Expected Behavior

One resource is set up for the HTTP protocol and the variables drive how that is configured.

Use Case

Simpler module, less resources.

Describe Ideal Solution

Simpler module, less resources.

Alternatives Considered

No response

Additional Context

No response