Remove unnecessary #includes in enumerate_modules_model_win.cc.

After the landing https://codereview.chromium.org/297683004,
enumerate_modules_model_win.cc doesn't need the command line
switch related headers anymore. So we can remove these.

BUG=350921

Review URL: https://codereview.chromium.org/338793002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278095 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/enumerate_modules_model_win.cc

@@ -27,7 +27,6 @@
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/net/service_providers_win.h"
 #include "chrome/common/chrome_constants.h"
-#include "chrome/common/chrome_switches.h"
 #include "content/public/browser/notification_service.h"
 #include "crypto/sha2.h"
 #include "grit/generated_resources.h"