Revert of Add gtest_tests dictionaries for a single Linux debug tester.

testing/buildbot/chromium.linux.json

 {
   "Linux Tests": {
     "gtest_tests": [
       "accessibility_unittests",
       "app_list_unittests",
       "app_shell_browsertests",
       "aura_unittests",
       {
         "test": "base_unittests",
         "swarming": {
@@ skipping 142 matching lines @@
       "sql_unittests",
       "ui_unittests",
       "sync_integration_tests",
       "sync_unit_tests",
       "unit_tests",
       "url_unittests",
       "views_unittests",
       "wm_unittests"
     ]
   },
-  "Linux Tests (dbg)": {
+  "Linux Tests (dbg)(1)": {
+    "gtest_tests": [
+    ]
+  },
+  "Linux Tests (dbg)(2)": {
     "gtest_tests": [
       "accessibility_unittests",
       "app_list_unittests",
       "app_shell_browsertests",
       "aura_unittests",
       {
         "test": "base_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true
         }
@@ skipping 79 matching lines @@
         "test": "unit_tests",
         "swarming": {
           "can_use_on_swarming_builders": true
         }
       },
       "url_unittests",
       "views_unittests",
       "wm_unittests"
     ]
   },
-  "Linux Tests (dbg)(1)": {
-    "gtest_tests": [
-    ]
-  },
-  "Linux Tests (dbg)(2)": {
-    "gtest_tests": [
-      "accessibility_unittests",
-      "app_list_unittests",
-      "app_shell_browsertests",
-      "aura_unittests",
-      {
-        "test": "base_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
-      {
-        "test": "browser_tests",
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "shards": 10
-        }
-      },
-      "cacheinvalidation_unittests",
-      "cast_unittests",
-      "cc_unittests",
-      "chromedriver_unittests",
-      "components_unittests",
-      "compositor_unittests",
-      {
-        "test": "content_browsertests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
-      {
-        "test": "content_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
-      "crypto_unittests",
-      "dbus_unittests",
-      "device_unittests",
-      "display_unittests",
-      "events_unittests",
-      "extensions_unittests",
-      "gcm_unit_tests",
-      "gfx_unittests",
-      "google_apis_unittests",
-      "gpu_unittests",
-      {
-        "test": "interactive_ui_tests",
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "shards": 3
-        }
-      },
-      "ipc_mojo_unittests",
-      "ipc_tests",
-      "jingle_unittests",
-      "media_unittests",
-      "mojo_application_manager_unittests",
-      "mojo_apps_js_unittests",
-      "mojo_common_unittests",
-      "mojo_js_unittests",
-      "mojo_public_bindings_unittests",
-      "mojo_public_environment_unittests",
-      "mojo_public_system_unittests",
-      "mojo_public_utility_unittests",
-      "mojo_shell_tests",
-      "mojo_system_unittests",
-      "mojo_view_manager_unittests",
-      "nacl_loader_unittests",
-      {
-        "test": "net_unittests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
-      "ppapi_unittests",
-      "printing_unittests",
-      "remoting_unittests",
-      "sandbox_linux_unittests",
-      "sql_unittests",
-      "ui_unittests",
-      {
-        "test": "sync_integration_tests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
-      "sync_unit_tests",
-      {
-        "test": "unit_tests",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
-      "url_unittests",
-      "views_unittests",
-      "wm_unittests"
-    ]
-  },
   "Linux Clang (dbg)": {
     "gtest_tests": [
       "accessibility_unittests",
       "base_unittests",
       "components_unittests",
       "content_unittests",
       "crypto_unittests",
       "device_unittests",
       "display_unittests",
       "extensions_unittests",
@@ skipping 13 matching lines @@
       "mojo_view_manager_unittests",
       "nacl_loader_unittests",
       "sandbox_linux_unittests",
       "sql_unittests",
       "sync_unit_tests",
       "ui_unittests",
       "unit_tests"
     ]
   }
 }