Revert of Include headless tests in all swarm version for Windows, since it's been enabled

testing/buildbot/chromium.mac.json

Index: testing/buildbot/chromium.mac.json
diff --git a/testing/buildbot/chromium.mac.json b/testing/buildbot/chromium.mac.json
index dd3f7cb7ec125f524c53d52169b60d72a82df57f..848b7596537a52db53275ddd470eb6c4c69de190 100644
--- a/testing/buildbot/chromium.mac.json
+++ b/testing/buildbot/chromium.mac.json
@@ -1067,28 +1067,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "headless_browsertests"
-      },
-      {
-        "args": [
-          "--enable-browser-side-navigation"
-        ],
-        "name": "browser_side_navigation_headless_browsertests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "headless_browsertests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "headless_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "interactive_ui_tests"
       },
       {
@@ -1492,28 +1470,6 @@
       },
       {
         "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "headless_browsertests"
-      },
-      {
-        "args": [
-          "--enable-browser-side-navigation"
-        ],
-        "name": "browser_side_navigation_headless_browsertests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "headless_browsertests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "headless_unittests"
-      },
-      {
-        "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 2
         },
@@ -1891,28 +1847,6 @@
       },
       {
         "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "headless_browsertests"
-      },
-      {
-        "args": [
-          "--enable-browser-side-navigation"
-        ],
-        "name": "browser_side_navigation_headless_browsertests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "headless_browsertests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
-        "test": "headless_unittests"
-      },
-      {
-        "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 2
         },