Rollback of:

Fix bugs in Java Large Enums that have aliased values.

The old implementation tried to emit only the canonical values in the 'chunked' ranges and then emit aliases separately at the top level, which led to a number of problems including:

- On reflective lookup, it indexed into the values() array based on the all-value-index but that array only contained canonical-values. This is fixed to match the non-Large implementation where the public values() still returns only canonicals, bu...

PiperOrigin-RevId: 815918597