Remove unused PathgridGraph::mIsExterior

apps/openmw/mwmechanics/pathgrid.cpp

@@ -52,7 +52,6 @@ namespace MWMechanics
     PathgridGraph::PathgridGraph(const MWWorld::CellStore *cell)
         : mCell(nullptr)
         , mPathgrid(nullptr)
-        , mIsExterior(0)
         , mGraph(0)
         , mIsGraphConstructed(false)
         , mSCCId(0)
@@ -106,7 +105,6 @@ namespace MWMechanics
             return true;
 
         mCell = cell->getCell();
-        mIsExterior = cell->getCell()->isExterior();
         mPathgrid = MWBase::Environment::get().getWorld()->getStore().get<ESM::Pathgrid>().search(*cell->getCell());
         if(!mPathgrid)
             return false;

apps/openmw/mwmechanics/pathgrid.hpp

@@ -44,7 +44,6 @@ namespace MWMechanics
 
             const ESM::Cell *mCell;
             const ESM::Pathgrid *mPathgrid;
-            bool mIsExterior;
 
             struct ConnectedPoint // edge
             {