Remove flag android.uprobestats.mainline.flags.enable_binder_transaction_poc from trunk_staging. This change was automatically created by rolling back a Gantry workflow. Bug: 408255571 Flag: android.uprobestats.mainline.flags.enable_binder_transaction_poc Ignore-AOSP-First: AConfig change for future AOSP release Change-Id: Id2831ecf277a522fec6dbebb4b8af22ac3cce38f