Rename SKIP_KRE_INSTALL to SKIP_DOTNET_INSTALL
Rename SKIP_KRE_INSTALL to SKIP_DOTNET_INSTALL

aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore