feat(github actions): add aspnetcore folder removal after script build #10247 (#10248)

Author: msynk

.github/workflows/nuget.org.yml

@@ -59,6 +59,7 @@ jobs:
         npm run-script build:production
         cd ../../../../
         cp aspnetcore/src/Components/Web.JS/dist/Release/blazor.*.js src/BlazorES2019/Bit.BlazorES2019/wwwroot/
+        rm -rf aspnetcore
 
     - name: dotnet pack BlazorES2019
       run: |