Remove not necessary cmake variable
Remove not necessary cmake variable

svn path=/trunk/KDE/kdeedu/marble/; revision=716199

utkuaydin/marble,rku/marble,adraghici/marble,David-Gil/marble-dev,AndreiDuma/marble,David-Gil/marble-dev,oberluz/marble,utkuaydin/marble,tzapzoor/marble,utkuaydin/marble,utkuaydin/marble,utkuaydin/marble,AndreiDuma/marble,adraghici/marble,quannt24/marble,adraghici/marble,tucnak/marble,probonopd/marble,David-Gil/marble-dev,probonopd/marble,adraghici/marble,David-Gil/marble-dev,tucnak/marble,probonopd/marble,oberluz/marble,tucnak/marble,AndreiDuma/marble,oberluz/marble,adraghici/marble,AndreiDuma/marble,AndreiDuma/marble,tzapzoor/marble,probonopd/marble,adraghici/marble,quannt24/marble,rku/marble,tucnak/marble,oberluz/marble,quannt24/marble,quannt24/marble,Earthwings/marble,tzapzoor/marble,tzapzoor/marble,Earthwings/marble,probonopd/marble,utkuaydin/marble,David-Gil/marble-dev,Earthwings/marble,tucnak/marble,oberluz/marble,David-Gil/marble-dev,tzapzoor/marble,probonopd/marble,rku/marble,rku/marble,oberluz/marble,tucnak/marble,quannt24/marble,rku/marble,probonopd/marble,quannt24/marble,tzapzoor/marble,AndreiDuma/marble,tucnak/marble,tzapzoor/marble,Earthwings/marble,rku/marble,tzapzoor/marble,Earthwings/marble,Earthwings/marble,quannt24/marble