Revert SimpleCache fieldtrial testing information on windows.

testing/variations/fieldtrial_testing_config_win.json

 {
     "AutofillClassifier": [
         {
             "group_name": "Enabled"
         }
     ],
     "AutofillFieldMetadata": [
         {
             "group_name": "Enabled"
         }
@@ skipping 282 matching lines @@
     "SdchPersistence": [
         {
             "group_name": "Enabled"
         }
     ],
     "SettingsEnforcement": [
         {
             "group_name": "enforce_always_with_extensions_and_dse"
         }
     ],
-    "SimpleCacheTrial": [
-        {
-            "group_name": "ExperimentYes"
-        }
-    ],
     "StrictSecureCookies": [
         {
             "group_name": "Enabled"
         }
     ],
     "SyncHttpContentCompression": [
         {
             "group_name": "Enabled"
         },
         {
@@ skipping 43 matching lines @@
     ],
     "use-new-media-cache": [
         {
             "enable_features": [
                 "use-new-media-cache"
             ],
             "group_name": "Enabled"
         }
     ]
 }