Remove MSI cleanup step from Windows build workflow

Deleted the step that removes MSI files from the dist directory in the Windows build workflow. This may be to preserve MSI artifacts for later use or debugging.

.github/workflows/build-windows.yml

@@ -188,7 +188,6 @@ jobs:
         # Clean previous build artifacts
         if (Test-Path "build\exe.*") { Remove-Item "build\exe.*" -Recurse -Force }
         if (Test-Path "build\bdist.*") { Remove-Item "build\bdist.*" -Recurse -Force }
-        if (Test-Path "dist\*.msi") { Remove-Item "dist\*.msi" -Force }
         
         # Build executable with FFmpeg
         python build\windows\setup-ffmpeg.py build