Retrieves the current map time limit. If the server has not processed any
frames yet (i.e. no players have joined the map yet), then the time limit
returned will always be 0.
native bool GetMapTimeLimit(int& time)
Parameters
int& time
Set to the number of total seconds in the map time
limit, or 0 if there is no time limit set.
Return Value
bool True on success, false if operation is not supported.