WebRTC: Remove video_engine_core_unittests

scripts/slave/recipes/webrtc/standalone.expected/client_webrtc_linux64_debug_failing_test.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/bot_update.py",
       "--master",
       "client.webrtc",
       "--builder",
       "Linux64 Debug",
@@ skipping 417 matching lines @@
       "python",
       "-u",
       "[BUILD]/scripts/slave/runtest.py",
       "--target",
       "Debug",
       "--xvfb",
       "--factory-properties",
       "{\"BUILD_CONFIG\": \"Debug\", \"buildername\": \"Linux64 Debug\", \"buildnumber\": 1337, \"mastername\": \"client.webrtc\", \"recipe\": \"webrtc/standalone\", \"revision\": \"12345\", \"slavename\": \"slavename\"}",
       "--build-properties",
       "{\"BUILD_CONFIG\": \"Debug\", \"buildername\": \"Linux64 Debug\", \"buildnumber\": 1337, \"mastername\": \"client.webrtc\", \"recipe\": \"webrtc/standalone\", \"revision\": \"12345\", \"slavename\": \"slavename\"}",
-      "--test-type=video_engine_core_unittests",
-      "--step-name=video_engine_core_unittests",
-      "--builder-name=Linux64 Debug",
-      "--slave-name=slavename",
-      "--build-number=1337",
-      "--run-python-script",
-      "--revision=f27fede2220bcd326aee3e86ddfd4ebd0fe58cb9",
-      "[SLAVE_BUILD]/src/third_party/gtest-parallel/gtest-parallel",
-      "[SLAVE_BUILD]/src/out/Debug/video_engine_core_unittests",
-      "--"
-    ],
-    "cwd": "[SLAVE_BUILD]",
-    "name": "video_engine_core_unittests"
-  },
-  {
-    "cmd": [
-      "python",
-      "-u",
-      "[BUILD]/scripts/slave/runtest.py",
-      "--target",
-      "Debug",
-      "--xvfb",
-      "--factory-properties",
-      "{\"BUILD_CONFIG\": \"Debug\", \"buildername\": \"Linux64 Debug\", \"buildnumber\": 1337, \"mastername\": \"client.webrtc\", \"recipe\": \"webrtc/standalone\", \"revision\": \"12345\", \"slavename\": \"slavename\"}",
-      "--build-properties",
-      "{\"BUILD_CONFIG\": \"Debug\", \"buildername\": \"Linux64 Debug\", \"buildnumber\": 1337, \"mastername\": \"client.webrtc\", \"recipe\": \"webrtc/standalone\", \"revision\": \"12345\", \"slavename\": \"slavename\"}",
       "--test-type=video_engine_tests",
       "--step-name=video_engine_tests",
       "--builder-name=Linux64 Debug",
       "--slave-name=slavename",
       "--build-number=1337",
       "--run-python-script",
       "--revision=f27fede2220bcd326aee3e86ddfd4ebd0fe58cb9",
       "[SLAVE_BUILD]/src/third_party/gtest-parallel/gtest-parallel",
       "[SLAVE_BUILD]/src/out/Debug/video_engine_tests",
       "--"
@@ skipping 50 matching lines @@
       "--slave-name=slavename",
       "--build-number=1337",
       "--revision=f27fede2220bcd326aee3e86ddfd4ebd0fe58cb9",
       "webrtc_nonparallel_tests"
     ],
     "cwd": "[SLAVE_BUILD]",
     "name": "webrtc_nonparallel_tests"
   },
   {
     "name": "$result",
-    "reason": "1 out of 16 aggregated steps failed. Failures: Step('tools_unittests') failed with return_code 1",
+    "reason": "1 out of 15 aggregated steps failed. Failures: Step('tools_unittests') failed with return_code 1",
     "status_code": 1
   }
 ]