Hello ! I need to know how to remove the fog from the maps ..

Hello ! I need to know how to remove the fog from the maps .. shipment and killhouse .. please someone can help me? I love these maps, my server are these two maps and several customs to vote ..
Thank you very much. !

Which game?

HELLO .. OF CALL OF DUTY 4 ... 1.8
IAM TREATING TO MAKE MY SERVER WALK IN 1.7 .. IN THIS VERSION I ALREADY DO IT ..
I ONLY PLAY ON MY SERVER ... THAT IS IN 1.8 ... BUT ON CVARUNLOCKER I HAVE CRASSHES THE GAME. BUT IN VERSION 1.7 NO .. THAT'S WHY I WANT TO PASS THE SERVER TO VERSION 1.7 ... BUT NOW IT RESULTS THAT MY SERVER 1.7 DOES NOT APPEAR IN THE LIST OF SERVERS .. I DO NOT UNDERSTAND WHY THIS IS ... ALREADY THAT VERSION 1.8 IF APPEARED. .