Revert of Swarm cc_unittests.

testing/buildbot/chromium.win.json

Index: testing/buildbot/chromium.win.json
diff --git a/testing/buildbot/chromium.win.json b/testing/buildbot/chromium.win.json
index e958c743bc91f7f7bb957713dece4c066d7b0be9..a257144c0cb818485b77f631c1ff9089e43d6c83 100644
--- a/testing/buildbot/chromium.win.json
+++ b/testing/buildbot/chromium.win.json
@@ -20,12 +20,7 @@
       },
       "cacheinvalidation_unittests",
       "cast_unittests",
-      {
-        "test": "cc_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
+      "cc_unittests",
       "chromedriver_unittests",
       "chrome_elf_unittests",
       {
@@ -145,12 +140,7 @@
       },
       "cacheinvalidation_unittests",
       "cast_unittests",
-      {
-        "test": "cc_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
+      "cc_unittests",
       "chromedriver_unittests",
       "chrome_elf_unittests",
       {
@@ -280,12 +270,7 @@
       },
       "cacheinvalidation_unittests",
       "cast_unittests",
-      {
-        "test": "cc_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
+      "cc_unittests",
       "chromedriver_unittests",
       "chrome_elf_unittests",
       "components_browsertests",
@@ -423,12 +408,7 @@
       "aura_unittests",
       "cacheinvalidation_unittests",
       "cast_unittests",
-      {
-        "test": "cc_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
+      "cc_unittests",
       "chromedriver_unittests",
       "chrome_elf_unittests",
       "components_browsertests",
@@ -564,12 +544,7 @@
       },
       "cacheinvalidation_unittests",
       "cast_unittests",
-      {
-        "test": "cc_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
+      "cc_unittests",
       "chromedriver_unittests",
       "chrome_elf_unittests",
       {