Revert "Bump versions for .NET 9 (#2510)" (#2511)

This reverts commit eb1731c.

docs/supported-platforms.md

@@ -8,8 +8,6 @@ ms.date: 08/28/2024
 
 .NET Multi-platform App UI (.NET MAUI) apps can be written for the following platforms:
 
-::: moniker range="=net-maui-8.0"
-
 - Android 5.0 (API 21) or higher is required.
 - iOS 11 or higher is required
 - macOS 11 or higher, using Mac Catalyst.
@@ -18,26 +16,12 @@ ms.date: 08/28/2024
 .NET MAUI Blazor apps have the following additional platform requirements:
 
 - Android 7.0 (API 24) or higher is required.
-- iOS 14.2 or higher is required.
+- iOS 14 or higher is required.
 - macOS 11 or higher, using Mac Catalyst.
 
-::: moniker-end
-
-::: moniker range=">=net-maui-9.0"
-
-- Android 5.0 (API 21) or higher is required.
-- iOS 15 or higher is required
-- macOS 12 or higher, using Mac Catalyst.
-- Windows 11 and Windows 10 version 1809 or higher, using [Windows UI Library (WinUI) 3](/windows/apps/winui/winui3/).
-
-> [!IMPORTANT]
-> On Android, .NET MAUI Blazor apps require Android 7.0 (API 24) or higher.
-
-::: moniker-end
-
 .NET MAUI Blazor apps also require an updated platform specific WebView control. For more information, see [Blazor supported platforms](/aspnet/core/blazor/supported-platforms).
 
-> [!NOTE]
+> [!IMPORTANT]
 > For information about the version of Xcode, the Android SDK and JDK, and the Windows App SDK, that's required for a specific version of .NET MAUI, see [Release versions](https://github.com/dotnet/maui/wiki/Release-Versions).
 
 .NET MAUI apps for Android, iOS, and Windows can be built in Visual Studio. However, a networked Mac is required for iOS development.