Remove toy map client (#1664)
Remove toy map client (#1664)

A real map client is located in client/map_client.go
google/trillian,AlCutter/trillian,Martin2112/trillian,gdbelvin/trillian,google/trillian,RJPercival/trillian,Martin2112/trillian,gdbelvin/trillian,Martin2112/trillian,AlCutter/trillian,RJPercival/trillian,gdbelvin/trillian