Fixing args used for signing.
Fixing args used for signing.

*Removing them from the command line for runs where they don't apply.

StephenBonikowsky/wcf,mconnew/wcf,mconnew/wcf,StephenBonikowsky/wcf,imcarolwang/wcf,imcarolwang/wcf,dotnet/wcf,dotnet/wcf,mconnew/wcf,imcarolwang/wcf,dotnet/wcf