Remove Data API SDK CLI Calls

[metaskills]

We had to add a few hacks in order to get the Data API turned on for the test cluster. Thankfully, it should be done soon. Here is the source CDK GitHub issue. https://github.com/aws/aws-cdk/issues/5216

And here are the two places we need to remove/change when we upgrade CDK.

• https://github.com/customink/activerecord-aurora-serverless-adapter/blob/master/test/aurora-serverless/lib/aurora-serverless-stack.ts#L53-L56
• https://github.com/customink/activerecord-aurora-serverless-adapter/blob/master/test/bin/_deploy-aurora#L11-L16

[metaskills]

This was done in #5. Thanks CDK team!