test: check session timeout in http2

Two instances of a similar test exist, with both testing the timeout on
the stream and neither on the session. Adjust one of them to test the
session timeout instead.

PR-URL: #16754
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

test/sequential/test-http2-timeout-large-write-file.js

@@ -43,10 +43,6 @@ server.on('stream', common.mustCall((stream) => {
     'Content-Length': content.length.toString(),
     'Vary': 'Accept-Encoding'
   });
-  stream.setTimeout(serverTimeout);
-  stream.on('timeout', () => {
-    assert.strictEqual(didReceiveData, false, 'Should not timeout');
-  });
   stream.end();
 }));
 server.setTimeout(serverTimeout);