Remove pymanager install from base test dockerfile

Author: AlenkaF

ci/docker/python-wheel-windows-test-vs2022-base.dockerfile

@@ -50,15 +50,6 @@ RUN `
   [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; `
   iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))
 
-# Install the Python install manager
-#
-# See https://docs.python.org/dev/using/windows.html#python-install-manager and
-# https://www.python.org/ftp/python/pymanager/
-RUN `
-  $pymanager_url = 'https://www.python.org/ftp/python/pymanager/python-manager-25.0.msix'; `
-  Invoke-WebRequest -Uri $pymanager_url -OutFile 'C:\Windows\pymanager.msix'; `
-  Add-AppxPackage C:\Windows\pymanager.msix
-
 SHELL ["cmd", "/S", "/C"]
 
 # Install git, wget, minio