chore(backend): remove Azure AI Content Safety references

Removed "ContentSafety" section in appsettings.json too

Author: cristofima

src/Directory.Packages.props

@@ -18,7 +18,6 @@
     <!-- Azure Monitor -->
     <PackageVersion Include="Azure.Monitor.OpenTelemetry.AspNetCore" Version="1.4.0" />
     <!-- Azure AI Services -->
-    <PackageVersion Include="Azure.AI.ContentSafety" Version="1.0.0" />
     <PackageVersion Include="Azure.AI.OpenAI" Version="2.1.0" />
     <PackageVersion Include="Microsoft.Agents.AI.OpenAI" Version="1.0.0-preview.251125.1" />
     <PackageVersion Include="Microsoft.Agents.AI.Hosting.AGUI.AspNetCore" Version="1.0.0-preview.251125.1" />

src/backend/services/TaskAgent/src/TaskAgent.Infrastructure/TaskAgent.Infrastructure.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Azure.AI.ContentSafety" />
+
     <PackageReference Include="Azure.AI.OpenAI" />
     <PackageReference Include="Microsoft.Agents.AI.OpenAI" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" />

src/backend/services/TaskAgent/src/TaskAgent.WebApi/TaskAgent.WebApi.csproj

@@ -10,7 +10,6 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.AI.OpenAI" />
-    <PackageReference Include="Azure.AI.ContentSafety" />
     <PackageReference Include="Microsoft.Agents.AI.OpenAI" />
     <PackageReference Include="Microsoft.Agents.AI.Hosting.AGUI.AspNetCore" />
     <PackageReference Include="Swashbuckle.AspNetCore" />

src/backend/services/TaskAgent/src/TaskAgent.WebApi/appsettings.json

@@ -18,13 +18,5 @@
     "Endpoint": "https://YOUR-RESOURCE-NAME.openai.azure.com/",
     "DeploymentName": "gpt-4o-mini",
     "ApiKey": "YOUR-API-KEY"
-  },
-  "ContentSafety": {
-    "Endpoint": "https://YOUR-CONTENT-SAFETY-RESOURCE.cognitiveservices.azure.com/",
-    "ApiKey": "YOUR-API-KEY",
-    "HateThreshold": 2,
-    "ViolenceThreshold": 2,
-    "SexualThreshold": 2,
-    "SelfHarmThreshold": 2
   }
 }