DO NOT MERGE: Revert "init: Add diagnostics for signalfd epoll failures."

This reverts commit 0fa7c40c4cf1597dd0cca1f60b5eef8fdf6168a3.

Reason for revert: Diagnostics no longer needed

Change-Id: I04e9bf73b89411f7092348f57bfe6eb7dfaa9fcb
diff --git a/init/epoll.h b/init/epoll.h
index f58ae8d..0df5289 100644
--- a/init/epoll.h
+++ b/init/epoll.h
@@ -46,13 +46,8 @@
             std::optional<std::chrono::milliseconds> timeout);
 
   private:
-    struct Info {
-        std::shared_ptr<Handler> handler;
-        uint32_t events;
-    };
-
     android::base::unique_fd epoll_fd_;
-    std::map<int, Info> epoll_handlers_;
+    std::map<int, std::shared_ptr<Handler>> epoll_handlers_;
 };
 
 }  // namespace init