Bulk Update Request: Poke-Copyright BUR 2 | 2 parts

Script

remove alias pokemon_stadium (21) -> pokémon_stadium (0)
remove alias pokémon_stadium_2 (0) -> pokémon_stadium (0)
remove alias pokemon_stadium_2 (0) -> pokémon_stadium (0)
remove implication pokémon_stadium (0) -> pokemon (516055)
remove alias pokemon_art_academy (37) -> pokémon_art_academy (0)
remove alias pokemon_ranger (48) -> pokémon_ranger (0)