Remove flag com.android.window.flags.enable_window_drop_smooth_transition from trunk_staging. This change was automatically created by rolling back a Gantry workflow. Bug: 398992368 Flag: com.android.window.flags.enable_window_drop_smooth_transition Ignore-AOSP-First: AConfig change for future AOSP release Change-Id: I32d367de1d41fbe71282a32ecb1c2306a56249b0