remove outdated article (#50337)

Author: gewarren

.openpublishing.redirection.core.json

@@ -1227,6 +1227,10 @@
             "redirect_url": "/dotnet/core/testing/unit-testing-platform-extensions-vstest-bridge#runsettings-support",
             "redirect_document_id": true
         },
+        {
+            "source_path_from_root": "/docs/core/testing/unit-testing-with-copilot.md",
+            "redirect_url": "/visualstudio/ide/copilot-chat-context#slash-commands"
+        },
         {
             "source_path_from_root": "/docs/core/tools/cli-msbuild-architecture.md",
             "redirect_url": "/dotnet/core/tools/dotnet-migrate"

docs/core/testing/unit-testing-with-copilot.md

@@ -75,5 +75,4 @@ For more information, see [How to suppress code analysis warnings](../suppress-w
 
 ## See also
 
-- [Generate unit tests with GitHub Copilot](../../../core/testing/unit-testing-with-copilot.md)
 - [Code style rules reference](index.md)

docs/fundamentals/code-analysis/style-rules/ide3000.md

@@ -53,8 +53,6 @@ items:
               - name: Organize a project and test with xUnit
                 href: ../../core/tutorials/testing-with-cli.md
                 displayName: tutorials, cli
-              - name: Generate unit tests with GitHub Copilot
-                href: ../../core/testing/unit-testing-with-copilot.md
           - name: NUnit
             items:
               - name: C# unit testing