Change default event song multiplier to 1
Change default event song multiplier to 1

The max lp of user may be smaller than 125, the lp needed for playing
expert song with multiplier 4, then they can’t have any progress. So we
change the multiplier to 25, in order to ensure that all user can have
progress.

sifhelper/sifhelper.github.io,schoolfes/schoolfes.github.io,sifhelper/sifhelper.github.io,schoolfes/schoolfes.github.io