[AF] Remove AutofillUpstreamDisallowEloAndJcb fieldtrial_testing_config

Accidentally missed this as part of
https://chromium-review.googlesource.com/c/chromium/src/+/1717490

Bug: 868552, 902366
Change-Id: I7e68bc0ada1f48cd465dadbe9a171b09e6f8743d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1733410
Auto-Submit: Jared Saul <jsaul@google.com>
Commit-Queue: Robert Kaplow <rkaplow@chromium.org>
Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#684331}

testing/variations/fieldtrial_testing_config.json

@@ -1020,27 +1020,6 @@
             ]
         }
     ],
-    "AutofillUpstreamDisallowEloAndJcb": [
-        {
-            "platforms": [
-                "android",
-                "chromeos",
-                "ios",
-                "linux",
-                "mac",
-                "windows"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "enable_features": [
-                        "AutofillUpstreamDisallowElo",
-                        "AutofillUpstreamDisallowJcb"
-                    ]
-                }
-            ]
-        }
-    ],
     "AutofillUpstreamEditableCardholderName": [
         {
             "platforms": [