fix: remove duration_s

Author: will-break-it

data/simulation/trace.haskell.d.ts

@@ -15,7 +15,6 @@ type HaskellEvent =
 interface HaskellCpuEvent {
     tag: "Cpu";
     node: string;
-    duration_s: number;
     cpu_time_s: number;
     // CPU task types: Block validation (ValIB, ValEB, ValRB), Header validation (ValIH, ValRH), Vote validation (ValVote). Format: "<task_type>: <id>"
     task_label: string; // e.g., "ValIB: 6-29" or "ValRH: 6253064077348247640"