Remove flag android.os.vibrator.vibration_pipeline_enabled from trunk_staging. This change was automatically created by rolling back a Gantry workflow. Bug: 344494220 Flag: android.os.vibrator.vibration_pipeline_enabled Ignore-AOSP-First: AConfig change for future AOSP release Change-Id: I07e87284da5e10fa9ca4245365b23f251ced3d3e