Remove NTP Favicon flag.

ios/chrome/browser/chrome_switches.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ios/chrome/browser/chrome_switches.h"
 
 namespace switches {
 
 // -----------------------------------------------------------------------------
 // When commenting your switch, please use the same voice as surrounding
@@ skipping 22 matching lines @@
 // view when focused on form fields.
 const char kDisableIOSPasswordSuggestions[] =
     "disable-ios-password-suggestions";
 
 // Disables the use of WKWebView instead of UIWebView.
 const char kDisableIOSWKWebView[] = "disable-wkwebview";
 
 // Disable the snapshots lru cache.
 const char kDisableLRUSnapshotCache[] = "disable-lru-snapshot-cache";
 
-// Disables NTP favicons.
-const char kDisableNTPFavicons[] = "disable-ntp-favicons";
-
 // Disable auto-reload of error pages if offline.
 const char kDisableOfflineAutoReload[] = "disable-offline-auto-reload";
 
 // Disables the tab eviction policy. (applicable iff WKWebView is enabled)
 const char kDisableTabEviction[] = "disable-tab-eviction";
 
 // Disables the tab switcher.
 const char kDisableTabSwitcher[] = "disable-tab-switcher";
 
 // Enables all bookmarks view in bookmark manager.
@@ skipping 20 matching lines @@
 
 // Enable password generation for iOS.
 const char kEnableIOSPasswordGeneration[] = "enable-ios-password-generation";
 
 // Enables the use of WKWebView instead of UIWebView.
 const char kEnableIOSWKWebView[] = "enable-wkwebview";
 
 // Enables the snapshot lru cache.
 const char kEnableLRUSnapshotCache[] = "enable-lru-snapshot-cache";
 
-// Enables NTP favicons.
-const char kEnableNTPFavicons[] = "enable-ntp-favicons";
-
 // Enable auto-reload of error pages if offline.
 const char kEnableOfflineAutoReload[] = "enable-offline-auto-reload";
 
 // Enables context-sensitive reader mode button in the toolbar.
 const char kEnableReaderModeToolbarIcon[] = "enable-reader-mode-toolbar-icon";
 
 // Enables the tab eviction policy. (applicable iff WKWebView is enabled)
 const char kEnableTabEviction[] = "enable-tab-eviction";
 
 // Enables the tab switcher.
@@ skipping 26 matching lines @@
 
 // Enables grouping websites by domain and filtering them by period.
 const char kHistoryEnableGroupByDomain[] = "enable-grouped-history";
 
 // Use to opt-in to marking HTTP as non-secure.
 const char kMarkNonSecureAs[] = "mark-non-secure-as";
 const char kMarkNonSecureAsNeutral[] = "neutral";
 const char kMarkNonSecureAsNonSecure[] = "non-secure";
 
 }  // namespace switches