Remove experimental event logging code

Needs more bikeshedding.

dbutils.c

@@ -1101,55 +1101,3 @@ delete_node_record(PGconn *conn, int node, char *action)
 	return true;
 }
 
-
-bool
-create_event_record(PGconn *conn, int node_id, char *event, bool successful, char *details)
-{
-	char		sqlquery[QUERY_STR_LEN];
-	PGresult   *res;
-
-	int n_node_id = htonl(node_id);
-	char *t_successful = successful ? "TRUE" : "FALSE";
-
-	const char *values[4] = { (char *)&n_node_id,
-	 						  event,
-							  t_successful,
-							  details
-							};
-
-	int lengths[4] = { sizeof(n_node_id),
-					   0,
-					   0,
-					   0
-				     };
-	int binary[4] = {1, 0, 0, 0};
-
-	sqlquery_snprintf(sqlquery,
-					  " INSERT INTO %s.repl_events ( "
-					  "             node_id, "
-					  "             event, "
-					  "             successful, "
-					  "             details "
-					  "            ) "
-					  "      VALUES ($1, $2, $3, $4) ",
-					  get_repmgr_schema_quoted(conn));
-
-	res = PQexecParams(conn,
-					   sqlquery,
-					   4,
-					   NULL,
-					   values,
-					   lengths,
-					   binary,
-					   0);
-
-	if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
-	{
-		log_warning(_("Cannot insert event details, %s\n"),
-					PQerrorMessage(conn));
-		PQclear(res);
-		return false;
-	}
-
-	return true;
-}