Do not scale loss manually for BERT classifier when compile/fit() API is used.
Do not scale loss manually for BERT classifier when compile/fit() API is used.

PiperOrigin-RevId: 275142626

alexgorban/models,alexgorban/models,tombstone/models,tombstone/models,tombstone/models,alexgorban/models,alexgorban/models,tombstone/models,tombstone/models,alexgorban/models,tombstone/models