Remove the kEasyOffStoreInstall switch

extensions/common/switches.cc

Index: extensions/common/switches.cc
diff --git a/extensions/common/switches.cc b/extensions/common/switches.cc
index 8e2febae482b9bf7f2fa445da8635ad54a1eb467..41c3469f2bdd580375b7fa7372e065bdb3fb7d51 100644
--- a/extensions/common/switches.cc
+++ b/extensions/common/switches.cc
@@ -16,11 +16,6 @@ const char kAllowHTTPBackgroundPage[] = "allow-http-background-page";
 const char kAllowLegacyExtensionManifests[] =
     "allow-legacy-extension-manifests";
 
-// Enables extensions to be easily installed from sites other than the web
-// store. Without this flag, they can still be installed, but must be manually
-// dragged onto chrome://extensions/.
-const char kEasyOffStoreExtensionInstall[] = "easy-off-store-extension-install";
-
 // Enables extension APIs that are in development.
 const char kEnableExperimentalExtensionApis[] =
     "enable-experimental-extension-apis";