Removed RecurrentSSLInterstitial from field trial config

RecurrentSSLInterstitial is launching and has been enabled by default
on trunk, this CL removes the experiment from
fieldtrial_testing_config.json.

Bug: 840575
Change-Id: I14f3c9862096807dcbc495e26d13e548b4c4168b
Reviewed-on: https://chromium-review.googlesource.com/1180406Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Carlos IL <carlosil@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584236}

testing/variations/fieldtrial_testing_config.json

@@ -3482,44 +3482,6 @@
             ]
         }
     ],
-    "RecurrentSSLInterstitial": [
-        {
-            "platforms": [
-                "chromeos",
-                "linux",
-                "mac",
-                "windows"
-            ],
-            "experiments": [
-                {
-                    "name": "RecurrentInterstitialWithUIEnabled_V2",
-                    "params": {
-                        "show_error_ui": "true"
-                    },
-                    "enable_features": [
-                        "RecurrentInterstitialFeature"
-                    ]
-                }
-            ]
-        },
-        {
-            "platforms": [
-                "android"
-            ],
-            "experiments": [
-                {
-                    "name": "RecurrentInterstitialWithUIEnabled_V2",
-                    "params": {
-                        "mode": "pref",
-                        "show_error_ui": "true"
-                    },
-                    "enable_features": [
-                        "RecurrentInterstitialFeature"
-                    ]
-                }
-            ]
-        }
-    ],
     "RemoveNavigationHistory": [
         {
             "platforms": [