Remove properties in model for testing purpose

[raych1]

Testing breaking change for DPG

[openapi-pipeline-app]

Next Steps to Merge

Next steps that must be taken to merge this PR:

• ❌ This is the public specs repo main branch which is not intended for iterative development.
  You must acknowledge that you understand that after this PR is merged, you won't be able to stop your changes from being published to Azure customers.
  If this is what you intend, add PublishToCustomers label to your PR.
  Otherwise, retarget this PR onto a feature branch, i.e. with prefix release- (see aka.ms/azsdk/api-versions#release--branches).
• ❌ This PR has at least one breaking change (label: BreakingChangeReviewRequired).
  To unblock this PR, follow the process at aka.ms/brch.
• ❌ The required check named Swagger ModelValidation has failed. Refer to the check in the PR's 'Checks' tab for details on how to fix it and consult the aka.ms/ci-fix guide

[openapi-pipeline-app]

Generated ApiView

Language	Package Name	ApiView Link
Java	azure-ai-contentsafety	https://apiview.dev/Assemblies/Review/85abc443e88f4c26b278ef14dd4c2365?revisionId=1516a9f5b14e458a92734e9713f4a918
.Net	Azure.AI.ContentSafety	https://apiview.dev/Assemblies/Review/691f0761a725401a9075ac85acb58dc5?revisionId=670888dafc1a4d90b57cd3dd3e6fe156
Python	azure-ai-contentsafety	https://apiview.dev/Assemblies/Review/b1ce525b31904c30a20c3aa2b734590b?revisionId=0d24cb08013746bdbaa667445f99a058
Swagger	ContentSafety	https://apiview.dev/Assemblies/Review/65310c3dcf564395a750314444a9fbb6?revisionId=681f4ca2cb9f4a9a8a5deda08bbc1978
TypeSpec	ContentSafety	https://apiview.dev/Assemblies/Review/3664b8944c2b4ad288655f7e805b7476?revisionId=d2923d8212dd4262b6d1e5f65c64e654

[raych1]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 3 pipeline(s).