Revert: Fixes memory leaks in the eventhandler

runtime/bin/eventhandler_linux.cc

Index: runtime/bin/eventhandler_linux.cc
diff --git a/runtime/bin/eventhandler_linux.cc b/runtime/bin/eventhandler_linux.cc
index bd61e80801878420fc2d86cd18d1171515a97501..59cbdcdfe3fb7fee4ed24434c80c77ca5e4cfdb0 100644
--- a/runtime/bin/eventhandler_linux.cc
+++ b/runtime/bin/eventhandler_linux.cc
@@ -127,15 +127,7 @@ EventHandlerImplementation::EventHandlerImplementation()
 }
 
 
-static void DeleteDescriptorInfo(void* info) {
-  DescriptorInfo* di = reinterpret_cast<DescriptorInfo*>(info);
-  di->Close();
-  delete di;
-}
-
-
 EventHandlerImplementation::~EventHandlerImplementation() {
-  socket_map_.Clear(DeleteDescriptorInfo);
   VOID_TEMP_FAILURE_RETRY(close(epoll_fd_));
   VOID_TEMP_FAILURE_RETRY(close(timer_fd_));
   VOID_TEMP_FAILURE_RETRY(close(interrupt_fds_[0]));