Remove redundant code in tab expansion.
Remove redundant code in tab expansion.

--HG--
branch : 1.1

jholovacs/NuGet,dolkensp/node.net,jholovacs/NuGet,mrward/NuGet.V2,mrward/NuGet.V2,mrward/NuGet.V2,chocolatey/nuget-chocolatey,indsoft/NuGet2,chocolatey/nuget-chocolatey,pratikkagda/nuget,chocolatey/nuget-chocolatey,oliver-feng/nuget,chocolatey/nuget-chocolatey,jholovacs/NuGet,OneGet/nuget,dolkensp/node.net,jmezach/NuGet2,antiufo/NuGet2,jholovacs/NuGet,dolkensp/node.net,antiufo/NuGet2,mono/nuget,alluran/node.net,mono/nuget,mrward/nuget,mrward/nuget,dolkensp/node.net,mrward/nuget,RichiCoder1/nuget-chocolatey,jmezach/NuGet2,rikoe/nuget,indsoft/NuGet2,themotleyfool/NuGet,jmezach/NuGet2,themotleyfool/NuGet,indsoft/NuGet2,pratikkagda/nuget,antiufo/NuGet2,xoofx/NuGet,GearedToWar/NuGet2,jmezach/NuGet2,indsoft/NuGet2,xoofx/NuGet,chocolatey/nuget-chocolatey,OneGet/nuget,jholovacs/NuGet,RichiCoder1/nuget-chocolatey,zskullz/nuget,mono/nuget,jmezach/NuGet2,zskullz/nuget,oliver-feng/nuget,chester89/nugetApi,jmezach/NuGet2,chester89/nugetApi,mrward/nuget,indsoft/NuGet2,RichiCoder1/nuget-chocolatey,GearedToWar/NuGet2,xoofx/NuGet,themotleyfool/NuGet,xoofx/NuGet,GearedToWar/NuGet2,kumavis/NuGet,chocolatey/nuget-chocolatey,xero-github/Nuget,anurse/NuGet,antiufo/NuGet2,pratikkagda/nuget,OneGet/nuget,GearedToWar/NuGet2,rikoe/nuget,ctaggart/nuget,rikoe/nuget,ctaggart/nuget,pratikkagda/nuget,mono/nuget,kumavis/NuGet,oliver-feng/nuget,anurse/NuGet,pratikkagda/nuget,GearedToWar/NuGet2,alluran/node.net,mrward/nuget,mrward/NuGet.V2,zskullz/nuget,oliver-feng/nuget,akrisiun/NuGet,antiufo/NuGet2,atheken/nuget,ctaggart/nuget,mrward/NuGet.V2,mrward/NuGet.V2,pratikkagda/nuget,antiufo/NuGet2,RichiCoder1/nuget-chocolatey,RichiCoder1/nuget-chocolatey,xoofx/NuGet,akrisiun/NuGet,ctaggart/nuget,oliver-feng/nuget,alluran/node.net,xoofx/NuGet,indsoft/NuGet2,atheken/nuget,zskullz/nuget,alluran/node.net,jholovacs/NuGet,GearedToWar/NuGet2,oliver-feng/nuget,mrward/nuget,RichiCoder1/nuget-chocolatey,rikoe/nuget,OneGet/nuget