requirements.txt is not needed.
requirements.txt is not needed.

Project dependencies are defined inside setup.py.

Change-Id: I7b84ac71571e0552153c29c0e69904f8d8c93b5f

google/aiyprojects-raspbian,google/aiyprojects-raspbian,google/aiyprojects-raspbian,google/aiyprojects-raspbian,google/aiyprojects-raspbian