DO NOT MERGE ANYWHERE Drop trunk_staging.scl

Use `flag_values/trunk_staging/*.textproto` instead.

Bug: 328495189
Test: manual, TH
Merged-In: I8973b360e7d7f30de0f405509d181c92fab53030
Change-Id: I8973b360e7d7f30de0f405509d181c92fab53030
1 file changed