Remove mojo_runner_host_unittests from all bot configurations

testing/buildbot/chromium.linux.json

Index: testing/buildbot/chromium.linux.json
diff --git a/testing/buildbot/chromium.linux.json b/testing/buildbot/chromium.linux.json
index c293083692cff1061c43a9274089d7f0d83e4ce6..9de17a202ea23bca8b64d0ecc6707b7bfd2ae09d 100644
--- a/testing/buildbot/chromium.linux.json
+++ b/testing/buildbot/chromium.linux.json
@@ -918,38 +918,6 @@
         "test": "mojo_public_system_unittests"
       },
       {
-        "override_isolate_target": "mojo_runner_host_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/luci/logdog/butler/${platform}",
-              "location": "bin",
-              "revision": "git_revision:3ff24775a900b675866fbcacf2a8f98a18b2a16a"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "android_devices": "4",
-              "device_os": "KTU84P",
-              "device_type": "hammerhead"
-            }
-          ],
-          "hard_timeout": 60,
-          "output_links": [
-            {
-              "link": [
-                "https://luci-logdog.appspot.com/v/?s",
-                "=android%2Fswarming%2Flogcats%2F",
-                "${TASK_ID}%2F%2B%2Funified_logcats"
-              ],
-              "name": "shard #${SHARD_INDEX} logcats"
-            }
-          ]
-        },
-        "test": "mojo_runner_host_unittests"
-      },
-      {
         "override_isolate_target": "mojo_system_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
@@ -2225,38 +2193,6 @@
         "test": "mojo_public_system_unittests"
       },
       {
-        "override_isolate_target": "mojo_runner_host_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/luci/logdog/butler/${platform}",
-              "location": "bin",
-              "revision": "git_revision:3ff24775a900b675866fbcacf2a8f98a18b2a16a"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "android_devices": "4",
-              "device_os": "KTU84P",
-              "device_type": "hammerhead"
-            }
-          ],
-          "hard_timeout": 60,
-          "output_links": [
-            {
-              "link": [
-                "https://luci-logdog.appspot.com/v/?s",
-                "=android%2Fswarming%2Flogcats%2F",
-                "${TASK_ID}%2F%2B%2Funified_logcats"
-              ],
-              "name": "shard #${SHARD_INDEX} logcats"
-            }
-          ]
-        },
-        "test": "mojo_runner_host_unittests"
-      },
-      {
         "override_isolate_target": "mojo_system_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,
@@ -3230,12 +3166,6 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
-        "test": "mojo_runner_host_unittests"
-      },
-      {
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        },
         "test": "mojo_system_unittests"
       },
       {