Mac: remove ScreenTime field trial testing config

ScreenTime breaks full-screen low power mode.

Bug: 1303645, 1154287
Change-Id: I995d2ddc3db4e75e708040efcd430e238808bdbe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3669559
Reviewed-by: Jayson Adams <shrike@chromium.org>
Commit-Queue: Leonard Grey <lgrey@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1007930}
NOKEYCHECK=True
GitOrigin-RevId: 39748131175b5455132b735eb88460c6f937b6ec
diff --git a/variations/fieldtrial_testing_config.json b/variations/fieldtrial_testing_config.json
index 3830de5..d3c2d76 100644
--- a/variations/fieldtrial_testing_config.json
+++ b/variations/fieldtrial_testing_config.json
@@ -7083,21 +7083,6 @@
             ]
         }
     ],
-    "ScreenTime": [
-        {
-            "platforms": [
-                "mac"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "enable_features": [
-                        "ScreenTime"
-                    ]
-                }
-            ]
-        }
-    ],
     "ScrollUnification": [
         {
             "platforms": [