removing mobile
removing mobile


Former-commit-id: e69b5f57cb4a83753580ea987b49bfca4f148566
Former-commit-id: b3b8c9ccad8b24cab14d0e141210fb946343b2d9
Former-commit-id: d3a43a4421093df146adc29b91d50ace221425b1
StanfordHCI/cs247,StanfordHCI/cs247,StanfordHCI/cs247