chore: drop comments that restate the code

test/e2e-prod/_setup/harness.ts

@@ -1,11 +1,8 @@
-// Test-side helpers: load the seed artifact and build SDK clients against prod.
-
 import { RudderClient, createClient } from '../../../src/client/RudderClient.js';
 import type { TokenStore } from '../../../src/token/TokenStore.js';
 import { readArtifact } from './artifact.js';
 import type { SeedArtifact } from './types.js';
 
-/** Loads the seed artifact; RUDDER_E2E_* env vars override file values. */
 export function loadArtifact(): SeedArtifact {
   const file = readArtifact();
   if (!file) {
@@ -37,7 +34,6 @@ export function createInMemoryTokenStore(): TokenStore {
   };
 }
 
-/** A client with no auth yet (in-memory tokens). */
 export function makeProdClient(
   artifact: SeedArtifact = loadArtifact(),
 ): RudderClient {
@@ -48,7 +44,6 @@ export function makeProdClient(
   });
 }
 
-/** A device-authenticated client. In Node each call mints a fresh player (ephemeral device id). */
 export async function freshPlayer(
   artifact: SeedArtifact = loadArtifact(),
 ): Promise<RudderClient> {