Add CV API v2.1 for gore support

[ryogok]

Change summary

• DescriptionExclude to omit extraneous classifiers from evaluating during caption generation
• Additional gore-related information for the Adult classifier
• Documentation fixes

Latest improvements:

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[openapi-sdkautomation]

In Testing, Please Ignore

[Logs] (Generated from 63b7486, Iteration 3)

Python: test-repo-billy/azure-sdk-for-python [Logs] [Diff]

• azure-cognitiveservices-vision-computervision [Logs] [Instructions] [Generation PR] [Integration PR]
  • azure-cognitiveservices-vision-computervision-0.4.0.zip
  • azure_cognitiveservices_vision_computervision-0.4.0-py2.py3-none-any.whl

Java: test-repo-billy/azure-sdk-for-java [Logs] [Diff]

• No packages generated.

Go: test-repo-billy/azure-sdk-for-go [Logs] [Diff]

• cognitiveservices/v2.1 [Logs] [Instructions] [Generation PR] [Integration PR]
  • cognitiveservices.v2.1.zip

JavaScript: test-repo-billy/azure-sdk-for-js [Logs] [Diff]

• @azure/cognitiveservices-computervision [Logs] [Instructions]
  • azure-cognitiveservices-computervision-5.0.0.tgz

Ruby: test-repo-billy/azure-sdk-for-ruby [Logs] [Diff]

• No packages generated.

[AutorestCI]

Automation for azure-sdk-for-python

A PR has been created for you based on this PR content.

Once this PR will be merged, content will be added to your service PR:
Azure/azure-sdk-for-python#6906

[AutorestCI]

Automation for azure-sdk-for-go

The initial PR has been merged into your service PR:
Azure/azure-sdk-for-go#5595

[azuresdkci]

Can one of the admins verify this patch?