Bulk Update Request: Generation * Pokémon BUR

Script

remove alias generation_1_pokemon (149600) -> pokémon (0)
remove alias generation_2_pokemon (76817) -> pokémon (0)
remove alias generation_3_pokemon (86410) -> pokémon (0)
remove alias generation_4_pokemon (109474) -> pokémon (0)
remove alias generation_5_pokemon (65573) -> pokémon (0)
remove alias generation_6_pokemon (74965) -> pokémon (0)
remove alias generation_7_pokemon (51472) -> pokémon (0)
remove alias generation_8_pokemon (36451) -> pokémon (0)