Remove configuration policy on iOS.

ios/public/provider/chrome/browser/chrome_browser_provider.h

Index: ios/public/provider/chrome/browser/chrome_browser_provider.h
diff --git a/ios/public/provider/chrome/browser/chrome_browser_provider.h b/ios/public/provider/chrome/browser/chrome_browser_provider.h
index c3c43fd1eb5b6dbd59d3ee9af91c04f7bec1e186..eda0916ca94ffcd21b2c62e99cdf772358e00e17 100644
--- a/ios/public/provider/chrome/browser/chrome_browser_provider.h
+++ b/ios/public/provider/chrome/browser/chrome_browser_provider.h
@@ -33,10 +33,6 @@ namespace net {
 class URLRequestContextGetter;
 }
 
-namespace policy {
-class BrowserPolicyConnector;
-}
-
 namespace rappor {
 class RapporService;
 }
@@ -135,8 +131,6 @@ class ChromeBrowserProvider {
       autofill::CardUnmaskPromptController* controller);
   // Returns risk data used in Wallet requests.
   virtual std::string GetRiskData();
-  // Starts and manages the policy system.
-  virtual policy::BrowserPolicyConnector* GetBrowserPolicyConnector();
   // Returns the RapporService. May be null.
   virtual rappor::RapporService* GetRapporService();
   // Returns whether there is an Off-The-Record session active.