Remove UpsideDownCake from active codenames

UpsideDownCake is finalized, it shouldn't be in the list of active
codenames.

Test: treehugger
Change-Id: I7eda593f03ce3249708d0afddf9562bc19c96cec
2 files changed
tree: c35093d802965874a4391e1fdd5240b727321333
  1. aconfig/
  2. build_config/
  3. build_flags.scl
  4. OWNERS
  5. release_config_map.mk