Revert "[inspector] added inspector test runner [part 3-5]"

test/inspector/task-runner.cc

Index: test/inspector/task-runner.cc
diff --git a/test/inspector/task-runner.cc b/test/inspector/task-runner.cc
index ae76ead211dcb52a5e5153bc5e724bc459881797..06675adf99a945cb50fea209edc7d7312f85952c 100644
--- a/test/inspector/task-runner.cc
+++ b/test/inspector/task-runner.cc
@@ -132,3 +132,6 @@ void ExecuteStringTask::Run(v8::Isolate* isolate,
   v8::MaybeLocal<v8::Value> result;
   result = script->Run(local_context);
 }
+
+// main to make compiler happy before other patch will be landed.
+int main(int argc, char* argv[]) { return 0; }