core: contest: detail fix

packages/hydrooj/src/utils.ts

@@ -8,7 +8,6 @@ export function buildProjection(fields: string[]): Record<string, 1> {
 
 export const log2 = (val: bigint | number) => {
     if (typeof val === 'bigint') {
-        // @ts-ignore
         for (let i = 0n; ; i++) if (!(val >> i)) return +i.toString() - 1;
     } else {
         for (let i = 0; ; i++) if (!(val >> i)) return i - 1;