Remove unused imports/vars in build.js
Remove unused imports/vars in build.js

Kitware/girder,Kitware/girder,manthey/girder,adsorensen/girder,data-exp-lab/girder,RafaelPalomar/girder,Xarthisius/girder,jbeezley/girder,Kitware/girder,sutartmelson/girder,jbeezley/girder,data-exp-lab/girder,data-exp-lab/girder,data-exp-lab/girder,RafaelPalomar/girder,girder/girder,jbeezley/girder,sutartmelson/girder,girder/girder,adsorensen/girder,Xarthisius/girder,RafaelPalomar/girder,jbeezley/girder,sutartmelson/girder,manthey/girder,Xarthisius/girder,girder/girder,data-exp-lab/girder,Xarthisius/girder,kotfic/girder,adsorensen/girder,RafaelPalomar/girder,kotfic/girder,adsorensen/girder,Xarthisius/girder,Kitware/girder,manthey/girder,sutartmelson/girder,kotfic/girder,kotfic/girder,adsorensen/girder,sutartmelson/girder,girder/girder,RafaelPalomar/girder,manthey/girder,kotfic/girder