Removing flag com.android.systemui.classic_flags_multi_user from RELEASE_CONFIG_TRUNKFOOD_STAGING. This change was automatically created by rolling back a Gantry workflow. Bug: 345443431 Change-Id: I26464ede10c37f6479e338f5f5ca44cff8ed455e Flag: com.android.systemui.classic_flags_multi_user Ignore-AOSP-First: AConfig change for future AOSP release