TEMPEST_SERVICES global variable is not supported by devstack since long back.
- I380dd20e5ed716a0bdf92aa02c3730359b8136e4
- I9c24705e494689f09a885eb0a640efd50db33fcf
Service availability of tempest known services will be set by devstack with
local check.
- I02be777bf93143d946ccbb8e9eff637bfd1928d4
This commit removes the unused TEMPEST_SERVICES setting
Change-Id: I2c6f3cd67094002c415ce9d1018c0f08d9a2a22f
Related-Bug: #1743688