Remove obsolete currency codes
Remove obsolete currency codes

While still in the list of active codes, these currencies are obsolete:

SVC has been replaced by the USD in 2001:
https://en.wikipedia.org/wiki/Salvadoran_col%C3%B3n

ZWL has been suspended since 2009:
https://en.wikipedia.org/wiki/Zimbabwean_dollar

Using them in Faker can cause 3rd party validations to fail.

stof/Faker,localheinz/Faker,BePsvPT/Faker,matriphe/Faker