Clean up CCTModulePhase1 from fieldtrial testing config.

Bug: 872711
Change-Id: Ia88bc390c476b43e07d52cfa18d26ad13338ca59
Reviewed-on: https://chromium-review.googlesource.com/c/1466988
Commit-Queue: Alexei Svitkine <[email protected]>
Reviewed-by: Alexei Svitkine <[email protected]>
Reviewed-by: Anna Malova <[email protected]>
Cr-Commit-Position: refs/heads/master@{#631792}

Author: mvano

testing/variations/fieldtrial_testing_config.json

@@ -1184,22 +1184,6 @@
             ]
         }
     ],
-    "CCTModulePhase1": [
-        {
-            "platforms": [
-                "android"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled_With_Cache",
-                    "enable_features": [
-                        "CCTModule",
-                        "CCTModuleCache"
-                    ]
-                }
-            ]
-        }
-    ],
     "CertificateTransparencyLogAuditing": [
         {
             "platforms": [