Clean up aconfig flag oem_enabled_satellite_flag for SatelliteManager

The flag is for 24Q3 release and has been advanced to NextFood for a
long while. Without cleaning it up, no new flag are allowed since
@FlaggedApi is not @Repeatable.

The upcoming changes will clean up the flag in other places.

Bug: 374994012
Test: m -j
Flag: EXEMPT flag clean up
Change-Id: I301bab52f74ca972b3f4622c3403be2dde58d31a