test: remove unnecessary common.platformTimeout() call

Applying platformTimeout() to the interval is counterproductive. It
should be applied to the request timeout duration only.

PR-URL: nodejs#30677
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/sequential/test-http-server-consumed-timeout.js

@@ -41,7 +41,7 @@ function runTest(timeoutDuration) {
       const interval = setInterval(() => {
         intervalWasInvoked = true;
         req.write('a');
-      }, common.platformTimeout(25));
+      }, 25);
       setTimeout(() => {
         clearInterval(interval);
         req.end();