Refactor radio folder for 1.0 and 1.1

Remove unused environment variable.

Test: run vts
Bug: 63760809
Change-Id: Iff7919980d7bbe0e9f8a73a3679d37426faec679
Merged-In: Iff7919980d7bbe0e9f8a73a3679d37426faec679
6 files changed