Revert "add incremental pivot"

This reverts commit f95e303.

Author: twsouthwick

aspnetcore/migration/fx-to-core/index.md

@@ -5,7 +5,6 @@ description: Your complete guide to migrating ASP.NET Framework applications to
 ms.author: riande
 ms.date: 06/20/2025
 uid: migration/fx-to-core/index
-zone_pivot_groups: fx-to-core-migration
 ---
 # Migrate from ASP.NET Framework to ASP.NET Core
 
@@ -25,29 +24,25 @@ Your ASP.NET Framework application can successfully move to ASP.NET Core. The ke
 
 Most non-trivial ASP.NET Framework applications should use incremental migration. This approach:
 
-* **Keeps your current app running** while you migrate piece by piece
-* **Reduces risk** by moving functionality gradually
-* **Delivers value faster** with immediate deployment of migrated components
-* **Uses proven tools** like YARP proxy and System.Web adapters
+- **Keeps your current app running** while you migrate piece by piece
+- **Reduces risk** by moving functionality gradually
+- **Delivers value faster** with immediate deployment of migrated components
+- **Uses proven tools** like YARP proxy and System.Web adapters
 
-:::zone pivot="incremental"
 **→ [Start your incremental migration](xref:migration/fx-to-core/inc/overview)**
-:::zone-end
 
 ## Migration tools and resources
 
 ### Automated assistance
-
-* **[.NET Upgrade Assistant](https://dotnet.microsoft.com/platform/upgrade-assistant)** - Command-line tool for initial project conversion
-* **[Visual Studio Extension](https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.upgradeassistant)** - GUI-based upgrade assistance
+- **[.NET Upgrade Assistant](https://dotnet.microsoft.com/platform/upgrade-assistant)** - Command-line tool for initial project conversion
+- **[Visual Studio Extension](https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.upgradeassistant)** - GUI-based upgrade assistance
 
 ### Comprehensive guides
-
-* **[Porting ASP.NET Apps eBook](https://aka.ms/aspnet-porting-ebook)** - Complete reference guide
-* **[eShop Migration Example](/dotnet/architecture/porting-existing-aspnet-apps/example-migration-eshop)** - Real-world case study
+- **[Porting ASP.NET Apps eBook](https://aka.ms/aspnet-porting-ebook)** - Complete reference guide
+- **[eShop Migration Example](/dotnet/architecture/porting-existing-aspnet-apps/example-migration-eshop)** - Real-world case study
 
 ## Changes to technology areas
 
 Before you begin, review the [technical differences between ASP.NET Framework and ASP.NET Core](xref:migration/fx-to-core/areas) to understand key changes that may affect your migration.
 
-:::moniker-end
+:::moniker-end

aspnetcore/zone-pivot-groups.yml

@@ -125,12 +125,4 @@ groups:
     - id: manual
       title: Manually
     - id: aspire
-      title: Aspire
-- id: fx-to-core-migration
-  title: Migration Approach
-  prompt: Choose migration approach
-  pivots:
-    - id: incremental
-      title: Incremental
-    - id: inplace
-      title: In Place
+      title: Aspire