[gold] Deflake puppeteer_test.js, which was intentionally flaky for testing purposes.

Bug: skia:9608
Change-Id: I3b8d3a81a0417dafa603a742e8c0b5cf0147f245
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/260400
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Leandro Lovisolo <lovisolo@google.com>
diff --git a/golden/puppeteer-tests/test/puppeteer_test.js b/golden/puppeteer-tests/test/puppeteer_test.js
index 90551fd..f72f11d 100644
--- a/golden/puppeteer-tests/test/puppeteer_test.js
+++ b/golden/puppeteer-tests/test/puppeteer_test.js
@@ -53,7 +53,6 @@
         <body>
           <h1>hello</h1>
           <p>world</p>
-          <p>Random: ${Math.random()}</p>
         </body>
         </html>
     `);