Remove BlinkSchedulerDedicatedWorkerThrottling entry from the config.

Bug: 776416, 1126640
Change-Id: Icea9823e21112a79dbd2b93469a77df5c2820fc3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2627713Reviewed-by: Alexander Timin <altimin@chromium.org>
Commit-Queue: Caitlin Fischer <caitlinfischer@google.com>
Cr-Commit-Position: refs/heads/master@{#843320}

testing/variations/fieldtrial_testing_config.json

@@ -1193,32 +1193,6 @@
             ]
         }
     ],
-    "BlinkSchedulerDedicatedWorkerThrottling": [
-        {
-            "platforms": [
-                "android",
-                "android_weblayer",
-                "chromeos",
-                "ios",
-                "linux",
-                "mac",
-                "windows"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "params": {
-                        "max_budget_ms": "1000",
-                        "max_delay_ms": "60000",
-                        "recovery_rate": "0.01"
-                    },
-                    "enable_features": [
-                        "BlinkSchedulerWorkerThrottling"
-                    ]
-                }
-            ]
-        }
-    ],
     "BlinkSchedulerPerAgentSchedulingStudy": [
         {
             "platforms": [