Revert of Enable telemetry_unittests on chromium.android:Marshmallow 64-bit Tester

testing/buildbot/chromium.android.json

Index: testing/buildbot/chromium.android.json
diff --git a/testing/buildbot/chromium.android.json b/testing/buildbot/chromium.android.json
index 86ed3c166959b07446ab49ed278b7572ca5a08ea..0e013c71d70ecca524662dd0f8b379c8d5c8f1cb 100644
--- a/testing/buildbot/chromium.android.json
+++ b/testing/buildbot/chromium.android.json
@@ -3807,31 +3807,6 @@
         },
         "test": "vr_shell_unittests"
       }
-    ],
-    "isolated_scripts": [
-      {
-        "args": [
-          "--browser=android-chromium",
-          "--device=android"
-        ],
-        "isolate_name": "telemetry_unittests",
-        "name": "telemetry_unittests",
-        "override_compile_targets": [
-          "telemetry_unittests_run"
-        ],
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "dimension_sets": [
-            {
-              "android_devices": "6",
-              "device_os": "MMB29Q",
-              "device_type": "bullhead"
-            }
-          ],
-          "hard_timeout": 960,
-          "shards": 1
-        }
-      }
     ]
   },
   "Marshmallow Tablet Tester": {