Didn't trust the existing manual transcribing, and both Bulbapedia and Serebii contain errors that don't match the original raw data. So, let's rip the raw data ourselves and use our own parse pickle (just raw bytes) instead of 162 manual entries.
For ripping logic, see: 203874da12
Partial match if language cannot access walker course
Re-do language override for EncounterStatic->pkm:
- Override gen1/2 event OT/language only if requested language is not possible
- Override walker OT/language if requested language is not possible (->japanese)
Closes#3594