fix: Removed new variant

Author: Sarthak1799

crates/common_enums/src/enums.rs

@@ -8523,7 +8523,6 @@ pub enum RoutingApproach {
     DebitRouting,
     RuleBasedRouting,
     VolumeBasedRouting,
-    StraightThroughRouting,
     #[default]
     DefaultFallback,
 }