[LEAK-INFORMED] fix CreateShedinja fakematch

info: the header change is required. accesses to the struct need to be
treated as non-const, even though the array must be const. thanks to
jiang for figuring this out.

include/pokemon.h

@@ -258,7 +258,6 @@ extern const u8 gFacilityClassToPicIndex[];
 extern const u8 gFacilityClassToTrainerClass[];
 extern const struct BaseStats gBaseStats[];
 extern const u8 *const gItemEffectTable[];
-extern const struct Evolution gEvolutionTable[][EVOS_PER_MON];
 extern const u32 gExperienceTables[][MAX_LEVEL + 1];
 extern const u16 *const gLevelUpLearnsets[];
 extern const u8 gPPUpGetMask[];