Remove print debugs statements.

Change-Id: I78a885ba98363ca309598294bc84604d05a55446
Remove ununsed httplib2 requirement

This is not needed anymore since the logging is handled by
six.moves/httplib.

Change-Id: I4de3cfd8d8d3c08b38e39fde12172bdb4de0cea0
Closes-Bug: 1272986
Merge "Remove print debugs statements."
Merge "Remove ununsed httplib2 requirement"