Remove duplicate AppendSwitch in AccountsOptionsTest.

BUG=none

Review URL: https://codereview.chromium.org/228703003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@263042 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/webui/options/chromeos/accounts_options_browsertest.cc

@@ -57,7 +57,6 @@ class AccountsOptionsTest : public LoginManagerTest {
 
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     LoginManagerTest::SetUpCommandLine(command_line);
-    command_line->AppendSwitch(::switches::kMultiProfiles);
   }
 
  protected: