Remove SiteEngagement from fieldtrial_test_config.json.

testing/variations/fieldtrial_testing_config.json

Index: testing/variations/fieldtrial_testing_config.json
diff --git a/testing/variations/fieldtrial_testing_config.json b/testing/variations/fieldtrial_testing_config.json
index a6b16ab4a5c56e97ffb02a240f74bec54fce5d38..203d05f07e65f91de53cde45a4522a8630161838 100644
--- a/testing/variations/fieldtrial_testing_config.json
+++ b/testing/variations/fieldtrial_testing_config.json
@@ -2032,40 +2032,6 @@
             ]
         }
     ],
-    "SiteEngagement": [
-        {
-            "platforms": [
-                "android",
-                "chromeos",
-                "linux",
-                "mac",
-                "win"
-            ],
-            "experiments": [
-                {
-                    "name": "AggressiveAccumulation",
-                    "params": {
-                        "bootstrap_points": "24",
-                        "decay_period_in_hours": "2",
-                        "decay_points": "0",
-                        "decay_proportion": "0.984",
-                        "first_daily_engagement_points": "1.5",
-                        "hidden_media_playing_points": "0.01",
-                        "high_engagement_boundary": "50",
-                        "last_engagement_grace_period_in_hours": "1",
-                        "max_decays_per_score": "4",
-                        "max_points_per_day": "15",
-                        "medium_engagement_boundary": "15",
-                        "navigation_points": "1.5",
-                        "score_cleanup_threshold": "0.5",
-                        "user_input_points": "0.6",
-                        "visible_media_playing_points": "0.06",
-                        "web_app_installed_points": "5"
-                    }
-                }
-            ]
-        }
-    ],
     "SpeculativeLaunchServiceWorker": [
         {
             "platforms": [