Remove flag for launched improved geolanguage data.

Should have been removed as of https://crrev.com/c/1655995 when kImprovedGeoLanguageData became unnecessary.

Change-Id: I0bdce7a2766491b8c468295dfcd9cf9d184197ff
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1773181
Commit-Queue: Alexandre Frechette <frechette@chromium.org>
Reviewed-by: anthonyvd <anthonyvd@chromium.org>
Reviewed-by: Brian White <bcwhite@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695629}

components/language/core/common/language_experiments.cc

@@ -20,8 +20,6 @@ const base::Feature kOverrideTranslateTriggerInIndia{
     "OverrideTranslateTriggerInIndia", base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kExplicitLanguageAsk{"ExplicitLanguageAsk",
                                          base::FEATURE_DISABLED_BY_DEFAULT};
-const base::Feature kImprovedGeoLanguageData{"ImprovedGeoLanguageData",
-                                             base::FEATURE_ENABLED_BY_DEFAULT};
 const base::Feature kUseFluentLanguageModel {
   "UseFluentLanguageModel",
 #if defined(OS_IOS)

components/language/core/common/language_experiments.h

@@ -17,9 +17,6 @@ extern const base::Feature kUseHeuristicLanguageModel;
 // Android.
 extern const base::Feature kExplicitLanguageAsk;
 
-// The feature that enables the use of improved geo-language data from ULP.
-extern const base::Feature kImprovedGeoLanguageData;
-
 // This feature controls the activation of the experiment to trigger Translate
 // in India on English pages independent of the user's UI language. The params
 // associated with the experiment dictate which model is used to determine the

testing/variations/fieldtrial_testing_config.json

@@ -2854,21 +2854,6 @@
             ]
         }
     ],
-    "ImprovedGeolanguageReplacement": [
-        {
-            "platforms": [
-                "android"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "enable_features": [
-                        "ImprovedGeoLanguageData"
-                    ]
-                }
-            ]
-        }
-    ],
     "ImprovedRecoveryComponent": [
         {
             "platforms": [