Gen 2: Learnset fixes with Gen 1 TM tradeback
Gen 2: Learnset fixes with Gen 1 TM tradeback

Fix 6e2ce276842b5ffb97ea09a4bec313ebc23e62b8 missed the bigger picture and c41e7813f70b663febab668cf17ca8f8f964fae0 didn't account for the special Gen 1 - Gen 2 case.
On Gen 2, you may learn egg moves that do not exist in gen 1.
Those moves make that Pokémon incompatible with Gen 1 only TMs.
However, other than that, Gen 2 mons can breed in Gen 2, tradeback to Gen 1, and acquire TMs.

This is part 1 of Gen 2 learnset fix, next one being gen 2 egg incompatibilities between them.

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ATail/awoat