It is impossible to move a Pokemon from SoulSilver to Sapphire as the two games are from different generations, you can only migrate Pokemon from Sapphire to SoulSilver.
Nothing
Play the flute to it.
Blackthorn city
Go to the Move Deleter in Blackthorn City.
No such thing dude you should know that!
Poke flute channel
depends on Pokemon
use pokeflut
No.
its in blackthorn city right next to the pokemarket.
u go to the PC and select move Pokemon. click a Pokemon and select deleat .