Revert "Update dotnet-desktop.yml"

This reverts commit 1c43832.

Author: DexrnZacAttack

.github/workflows/dotnet-desktop.yml

@@ -74,11 +74,6 @@ jobs:
     - name: Setup MSBuild.exe
       uses: microsoft/setup-msbuild@v2
 
-    - uses: actions/setup-python@v5
-      with:
-        python-version: '3.13'
-        cache: 'pip'
-
     # Restore the application to populate the obj folder with RuntimeIdentifiers
     - name: Restore the application
       run: dotnet restore