Revert "Close polled fds that are ready for reads but no longer have a client associated with them"

This reverts commit f6f61e8870.

src/connector.c

@@ -308,9 +308,8 @@ retry:
 
 		if (!client) {
 			/* Probably already removed */
-			LOGINFO("Failed to find client with polled fd %d in hashtable, closing",
-				fd);
-			close(fd);
+			LOGDEBUG("Failed to find client with polled fd %d in hashtable",
+				 fd);
 		} else
 			parse_client_msg(ci, client);