Revert of Added ResourcePriorities field trial to the waterfall testing config

testing/variations/fieldtrial_testing_config_win.json

 {
     "AsyncSetAsDefault": [
         {
             "group_name": "Enabled"
         }
     ],
     "AutofillClassifier": [
         {
             "group_name": "Enabled"
         }
@@ skipping 200 matching lines @@
         {
             "group_name": "ShowAndPossiblySend",
             "params": {
                 "sendingThreshold": "abcdef"
             }
         },
         {
             "group_name": "DontShowAndDontSend"
         }
     ],
-    "ResourcePriorities": [
-        {
-            "group_name": "AllExceptAsyncScripts_11011_1_1_10"
-        },
-        {
-            "group_name": "Control"
-        }
-    ],
     "SRTPromptFieldTrial": [
         {
             "group_name": "On"
         }
     ],
     "SafeBrowsingReportPhishingErrorLink": [
         {
             "group_name": "Enabled"
         },
         {
@@ skipping 81 matching lines @@
         {
             "group_name": "Enabled"
         }
     ],
     "WebRTC-PeerConnectionDTLS1.2": [
         {
             "group_name": "Enabled"
         }
     ]
 }