Remove Netflix from the check list in ChromePluginTest.

The Netflix helper plugin will be removed from ChromeOS. Remove it from the
ChromePluginTest first.

BUG=406573

Review URL: https://codereview.chromium.org/669273002

Cr-Commit-Position: refs/heads/master@{#301000}

chrome/browser/chrome_plugin_browsertest.cc

@@ -256,7 +256,6 @@ IN_PROC_BROWSER_TEST_F(ChromePluginTest, InstalledPlugins) {
 #if defined(OS_CHROMEOS)
     "Google Talk Plugin",
     "Google Talk Plugin Video Accelerator",
-    "Netflix",
 #endif
   };