CV2-5639 use direct poll waiter in SQS

[DGaffney]

Description

Remove external time sleep and opt for SQS's canonical waiter

Reference: CV2-5639

How has this been tested?

Not tested locally

Are there any external dependencies?

None

Have you considered secure coding practices when writing this code?

None

[computermacgyver]

Approved pending tests passing

[sentry-io]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ ParamValidationError: Parameter validation failed: lib.queue.queue in receive_messages View Issue

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