windows install nit (#22877)

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## Description
 
Fix issue spotted in https://github.com/docker/docs/pull/22863/files

Rogue command block entry

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Author: aevesdocker

content/manuals/desktop/setup/install/windows-install.md

@@ -221,8 +221,6 @@ By default, Docker Desktop is installed at `C:\Program Files\Docker\Docker`.
 
 If your admin account is different to your user account, you must add the user to the **docker-users** group to access features that require higher privileges, such as creating and managing the Hyper-V VM, or using Windows containers.
 
-```powershell
-
 ```console
 $ net localgroup docker-users <user> /add
 ```