Remove unknown unit tests targets from WebKit Linux Oilpan bot

testing/buildbot/chromium.webkit.json

Index: testing/buildbot/chromium.webkit.json
diff --git a/testing/buildbot/chromium.webkit.json b/testing/buildbot/chromium.webkit.json
index 28aec6d07faa58f45b9b24b4ad6e416f93c1d6f1..47f03e8e9a3e8d9d031f3f93dd5a13a507b0c9e6 100644
--- a/testing/buildbot/chromium.webkit.json
+++ b/testing/buildbot/chromium.webkit.json
@@ -999,9 +999,6 @@
         "test": "gpu_unittests"
       },
       {
-        "test": "html_viewer_unittests"
-      },
-      {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
@@ -1023,9 +1020,6 @@
         "test": "jingle_unittests"
       },
       {
-        "test": "mash_unittests"
-      },
-      {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
@@ -1077,21 +1071,12 @@
         "test": "mojo_public_utility_unittests"
       },
       {
-        "test": "mojo_runner_host_unittests"
-      },
-      {
         "test": "mojo_shell_unittests"
       },
       {
-        "test": "mojo_surfaces_lib_unittests"
-      },
-      {
         "test": "mojo_system_unittests"
       },
       {
-        "test": "mojo_view_manager_lib_unittests"
-      },
-      {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
@@ -1119,9 +1104,6 @@
         "test": "remoting_unittests"
       },
       {
-        "test": "resource_provider_unittests"
-      },
-      {
         "swarming": {
           "can_use_on_swarming_builders": true
         },