Remove lookalikes flag, it's no longer needed

The iOS interstitial has its own flag.

Change-Id: Ib101bde967802a0ecdf071c5cc819a23ca3517e8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2250672Reviewed-by: Livvie Lin <livvielin@chromium.org>
Reviewed-by: Joe DeBlasio <jdeblasio@chromium.org>
Commit-Queue: Mustafa Emre Acer <meacer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#779911}

chrome/browser/about_flags.cc

@@ -4282,11 +4282,6 @@ const FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kSyncDeviceInfoInTransportModeDescription, kOsAll,
      FEATURE_VALUE_TYPE(switches::kSyncDeviceInfoInTransportMode)},
 
-    {"enable-lookalike-url-navigation-suggestions",
-     flag_descriptions::kLookalikeUrlNavigationSuggestionsName,
-     flag_descriptions::kLookalikeUrlNavigationSuggestionsDescription, kOsAll,
-     FEATURE_VALUE_TYPE(features::kLookalikeUrlNavigationSuggestionsUI)},
-
     {"enable-resampling-input-events",
      flag_descriptions::kEnableResamplingInputEventsName,
      flag_descriptions::kEnableResamplingInputEventsDescription, kOsAll,

chrome/browser/flag-metadata.json

@@ -1792,11 +1792,6 @@
     // default because logs may contain PII.
     "expiry_milestone": -1
   },
-  {
-    "name": "enable-lookalike-url-navigation-suggestions",
-    "owners": [ "jdeblasio", "meacer", "livvielin" ],
-    "expiry_milestone": 84
-  },
   {
     "name": "enable-mark-http-as",
     "owners": [ "cthomp", "estark" ],

chrome/browser/flag_descriptions.cc

@@ -1235,12 +1235,6 @@ const char kLogJsConsoleMessagesDescription[] =
     "Enable logging JS console messages in system logs, please note that they "
     "may contain PII.";
 
-const char kLookalikeUrlNavigationSuggestionsName[] =
-    "Navigation suggestions for lookalike URLs";
-const char kLookalikeUrlNavigationSuggestionsDescription[] =
-    "Enable navigation suggestions for URLs that are visually similar to "
-    "popular domains or to domains with a site engagement score.";
-
 const char kMarkHttpAsName[] = "Mark non-secure origins as non-secure";
 const char kMarkHttpAsDescription[] = "Change the UI treatment for HTTP pages";
 

chrome/browser/flag_descriptions.h

@@ -731,9 +731,6 @@ extern const char kLoadMediaRouterComponentExtensionDescription[];
 extern const char kLogJsConsoleMessagesName[];
 extern const char kLogJsConsoleMessagesDescription[];
 
-extern const char kLookalikeUrlNavigationSuggestionsName[];
-extern const char kLookalikeUrlNavigationSuggestionsDescription[];
-
 extern const char kMarkHttpAsName[];
 extern const char kMarkHttpAsDescription[];
 extern const char kMarkHttpAsDangerous[];