feat: support China region deployment

[owenCCY]

Issue #, if available:
Service Catalogue App Registry and ApiGatewayBadBot on Edge is not supported in CN regions

Description of changes:
Deleted Service Catalogue App Registry
Added regional ApiGateway
Changed FirehoseAthenaStack and WebACLStack s3 location (You might want to create a new s3 bucket in CN regions)

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[aijunpeng]

Thank you for submitting the PR! This WAF solution does not support China region, but you can find a separate WAF solution for China region here https://www.amazonaws.cn/en/solutions/amazon-waf-security-automations/

[owenCCY]

Hi, I updated my last commit and make it compatible for both CN and Global regions. (Based on deployment test from my side).

I am from the CSDC team in China. I saw the solution version for global is 4.0.3 now but the China version is still 3.x, which is not updated. So I think, may be this solution can be made compatible for both China and Global regions?

Please let me know your thoughts, thanks! Or, we can have a discussion online.

Best.

[aijunpeng]

Thanks! We are discussing with your team about the path forward on this.