Update appveyor.yml

Author: qhy040404

Diff for: appveyor.yml

@@ -20,12 +20,3 @@ deploy:
   url: https://app.signpath.io/API/v1/7a941fa3-64d8-4c45-bd03-92a02bcd4964/Integrations/AppVeyor?ProjectSlug=Snap.Hutao&SigningPolicySlug=release-signing&ArtifactConfigurationSlug=msix
   authorization:
     secure: j8srQ5/UYWhI+jlm3Vo3D3QfXoRyQ9hOn3ynJGtwusKui4+uDi4gykdUFYCITZxK+C/fOCAZNJ+YaKSm/OaiXw==
-on_finish:
-- pwsh: |
-    Write-Host "Cleaning up NuGet cache..."
-    Remove-Item -Recurse -Force "$env:LOCALAPPDATA\NuGet\v3-cache"
-    Write-Host "NuGet cache cleaned."
-
-    Write-Host "Cleaning up .NET install folder..."
-    Remove-Item -Recurse -Force "C:\Users\Public\Documents\dotnet_install"
-    Write-Host ".NET install folder cleaned."