Remove switch to enable access request notifications.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 13adccce569dad55cf76e409e929908c612e5d55..a85ae97ea3163579b5a0e1df278f1ec2d6e0dc7f 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -409,11 +409,6 @@ const char kDumpBrowserHistograms[]         = "dump-browser-histograms";
 // Overrides the path of Easy Unlock component app.
 extern const char kEasyUnlockAppPath[]      = "easy-unlock-app-path";
 
-// Enables the notifications for the custodian of a supervised user when the
-// supervised user sends an access request.
-extern const char kEnableAccessRequestNotifications[] =
-    "enable-access-request-notifications";
-
 // Enables the experimental Answers in Suggest feature.
 const char kEnableAnswersInSuggest[]        = "enable-answers-in-suggest";