Remove flag com.android.window.flags.enable_freeform_box_shadows from trunk_staging. This change was automatically created by rolling back a Gantry workflow. Bug: 367464660 Flag: com.android.window.flags.enable_freeform_box_shadows Ignore-AOSP-First: AConfig change for future AOSP release Change-Id: Icac92f841e690981d8323a8c988e5f4e7b32e0b3