Removed unnecessary references of SvcUtil.
Removed unnecessary references of SvcUtil.

mconnew/wcf,KKhurin/wcf,zhenlan/wcf,dotnet/wcf,imcarolwang/wcf,mconnew/wcf,zhenlan/wcf,mconnew/wcf,imcarolwang/wcf,dotnet/wcf,ericstj/wcf,KKhurin/wcf,ericstj/wcf,imcarolwang/wcf,dotnet/wcf,StephenBonikowsky/wcf,StephenBonikowsky/wcf