fix: remove tax compliance env var (#5445)

* fix: remove tax compliance env var

* improve tax compliance year logic

* bit more tests

---------

Co-authored-by: aecsocket <aecsocket@tutanota.com>

apps/labrinth/src/routes/v3/payouts.rs

@@ -11,6 +11,7 @@ use crate::models::payouts::{PayoutMethodType, PayoutStatus, Withdrawal};
 use crate::queue::payouts::PayoutsQueue;
 use crate::queue::session::AuthQueue;
 use crate::routes::ApiError;
+use crate::routes::internal::globals::tax_compliance_payout_threshold;
 use crate::util::avalara1099;
 use crate::util::error::Context;
 use crate::util::gotenberg::GotenbergClient;
@@ -1116,10 +1117,6 @@ async fn update_compliance_status(
     }
 }
 
-fn tax_compliance_payout_threshold() -> Option<Decimal> {
-    ENV.COMPLIANCE_PAYOUT_THRESHOLD.parse().ok()
-}
-
 #[derive(Deserialize)]
 pub struct RevenueQuery {
     pub start: Option<DateTime<Utc>>,