Drop obsolete readme file
Drop obsolete readme file

Change-Id: Ibb7ce38c36d5932809cb920e732aa9f2e43df832

google/android-cuttlefish,google/android-cuttlefish,google/android-cuttlefish,google/android-cuttlefish,google/android-cuttlefish,google/android-cuttlefish,google/android-cuttlefish