Remove instant confirmation dialog that is displayed the first time the instant checkbox is clicked.

chrome/common/url_constants.cc

Index: chrome/common/url_constants.cc
diff --git a/chrome/common/url_constants.cc b/chrome/common/url_constants.cc
index 62679e9c73ff91748e474a5a132001aa4fdf7f8a..a6fa3f074c54b067995b16d8d25ce21a2b599985 100644
--- a/chrome/common/url_constants.cc
+++ b/chrome/common/url_constants.cc
@@ -379,13 +379,6 @@ const char kOmniboxLearnMoreURL[] =
     "https://support.google.com/chrome/?p=settings_omnibox";
 #endif
 
-const char kInstantLearnMoreURL[] =
-#if defined(OS_CHROMEOS)
-    "https://support.google.com/chromeos/?p=settings_instant_policy";
-#else
-    "https://support.google.com/chrome/?p=settings_instant_policy";
-#endif
-
 const char kPageInfoHelpCenterURL[] =
 #if defined(OS_CHROMEOS)
     "https://support.google.com/chromeos/?p=ui_security_indicator";