Remove long polling breaking change (#26504)

Author: gewarren

.openpublishing.redirection.json

@@ -246,6 +246,10 @@
             "redirect_url": "/dotnet/core/compatibility/5.0",
             "redirect_document_id": true
         },
+        {
+            "source_path": "docs/core/compatibility/aspnet-core/6.0/blazor-long-polling-fallback.md",
+            "redirect_url": "/dotnet/core/compatibility/6.0"
+        },
         {
             "source_path": "docs/core/compatibility/code-analysis.md",
             "redirect_url": "/dotnet/core/compatibility/code-analysis/5.0/ca1416-platform-compatibility-analyzer"

docs/core/compatibility/6.0.md

@@ -21,7 +21,6 @@ If you're migrating an app to .NET 6, the breaking changes listed here might aff
 | [Blazor: Parameter name changed in RequestImageFileAsync method](aspnet-core/6.0/blazor-parameter-name-changed-in-method.md) | ✔️ | ❌ | Preview 1 |
 | [Blazor: WebEventDescriptor.EventArgsType property replaced](aspnet-core/6.0/blazor-eventargstype-property-replaced.md) | ❌ | ❌ |  |
 | [Blazor: Byte array interop](aspnet-core/6.0/byte-array-interop.md) | ✔️ | ❌ | Preview 6 |
-| [Blazor server: Disable long polling fallback transport](aspnet-core/6.0/blazor-long-polling-fallback.md) | ✔️ | ❌ | RC 1 |
 | [Changed MessagePack library in @microsoft/signalr-protocol-msgpack](aspnet-core/6.0/messagepack-library-change.md) | ❌ | ✔️ |  |
 | [ClientCertificate property doesn't trigger renegotiation for HttpSys](aspnet-core/6.0/clientcertificate-doesnt-trigger-renegotiation.md) | ✔️ | ❌ |  |
 | [Kestrel: Log message attributes changed](aspnet-core/6.0/kestrel-log-message-attributes-changed.md) | ✔️ | ❌ |  |

docs/core/compatibility/aspnet-core/6.0/blazor-long-polling-fallback.md

@@ -35,8 +35,6 @@ items:
           href: aspnet-core/6.0/blazor-eventargstype-property-replaced.md
         - name: "Blazor: Byte-array interop"
           href: aspnet-core/6.0/byte-array-interop.md
-        - name: "Blazor server: Disable long-polling fallback"
-          href: aspnet-core/6.0/blazor-long-polling-fallback.md
         - name: ClientCertificate doesn't trigger renegotiation
           href: aspnet-core/6.0/clientcertificate-doesnt-trigger-renegotiation.md
         - name: "Kestrel: Log message attributes changed"
@@ -463,8 +461,6 @@ items:
           href: aspnet-core/6.0/blazor-eventargstype-property-replaced.md
         - name: "Blazor: Byte-array interop"
           href: aspnet-core/6.0/byte-array-interop.md
-        - name: "Blazor server: Disable long-polling fallback"
-          href: aspnet-core/6.0/blazor-long-polling-fallback.md
         - name: ClientCertificate doesn't trigger renegotiation
           href: aspnet-core/6.0/clientcertificate-doesnt-trigger-renegotiation.md
         - name: "Kestrel: Log message attributes changed"

docs/core/compatibility/toc.yml

@@ -24,7 +24,6 @@ Welcome to what's new in the .NET docs from August 1, 2021 through August 31, 20
 - [OutputType not changed from Exe to WinExe for Windows Forms and WPF projects](../core/compatibility/sdk/6.0/outputtype-not-set-automatically.md)
 - [CA2018: The `count` argument to `Buffer.BlockCopy` should specify the number of bytes to copy](../fundamentals/code-analysis/quality-rules/ca2018.md)
 - [dotnet workload restore](../core/tools/dotnet-workload-restore.md)
-- [Blazor server: Disable long polling fallback transport](../core/compatibility/aspnet-core/6.0/blazor-long-polling-fallback.md)
 - [JsonNode no longer supports C# `dynamic` type](../core/compatibility/serialization/6.0/jsonnode-dynamic-type.md)
 - [Localization in .NET](../core/extensions/localization.md)
 - [Perform culture-insensitive case changes](../core/extensions/performing-culture-insensitive-case-changes.md)