Remove config for ExtensionTelemetryTabsApiSignalCaptureVisibleTab

Bug: 324571764
Change-Id: Ifc52778753aec5a4f954fdd08d65af352f873390
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5489939
Auto-Submit: Richard Chen <richche@google.com>
Reviewed-by: Adam Psarouthakis <psarouthakis@google.com>
Commit-Queue: Richard Chen <richche@google.com>
Cr-Commit-Position: refs/heads/main@{#1293271}
diff --git a/testing/variations/fieldtrial_testing_config.json b/testing/variations/fieldtrial_testing_config.json
index f150f42..51f89bf 100644
--- a/testing/variations/fieldtrial_testing_config.json
+++ b/testing/variations/fieldtrial_testing_config.json
@@ -7427,25 +7427,6 @@
             ]
         }
     ],
-    "ExtensionTelemetryTabsApiSignalCaptureVisibleTab": [
-        {
-            "platforms": [
-                "chromeos",
-                "chromeos_lacros",
-                "linux",
-                "mac",
-                "windows"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "enable_features": [
-                        "SafeBrowsingExtensionTelemetryTabsApiSignalCaptureVisibleTab"
-                    ]
-                }
-            ]
-        }
-    ],
     "ExtensionsServiceWorkerOptimizedEventDispatch": [
         {
             "platforms": [