Remove aconfig flags dump from DeviceConfig

DeviceConfig still technically contains aconfig flags, but aconfig codegen no longer reads flags from it. Remove aconfig flag dump section from DeviceConfig dumpsys output.

Bug: 324436145
Change-Id: Ic9b95d7b6f74900adbbfb4d0f5dcc72fe1bfa1a4
Test: m
1 file changed