Core/Grids: Remove unneccessary constructors and operators from CoordPair and CellArea

src/server/game/Grids/Cells/Cell.h

@@ -28,17 +28,8 @@ class WorldObject;
 
 struct CellArea
 {
-    CellArea() { }
     CellArea(CellCoord low, CellCoord high) : low_bound(low), high_bound(high) { }
 
-    bool operator!() const { return low_bound == high_bound; }
-
-    void ResizeBorders(CellCoord& begin_cell, CellCoord& end_cell) const
-    {
-        begin_cell = low_bound;
-        end_cell = high_bound;
-    }
-
     CellCoord low_bound;
     CellCoord high_bound;
 };

src/server/game/Grids/GridDefines.h

@@ -100,21 +100,10 @@ typedef NGrid<MAX_NUMBER_OF_CELLS, WorldTypeMapContainer, GridTypeMapContainer>
 template<uint32 LIMIT>
 struct CoordPair
 {
-    CoordPair(uint32 x=0, uint32 y=0)
+    CoordPair(uint32 x, uint32 y)
         : x_coord(x), y_coord(y)
     { }
 
-    CoordPair(const CoordPair<LIMIT> &obj)
-        : x_coord(obj.x_coord), y_coord(obj.y_coord)
-    { }
-
-    CoordPair<LIMIT> & operator=(const CoordPair<LIMIT> &obj)
-    {
-        x_coord = obj.x_coord;
-        y_coord = obj.y_coord;
-        return *this;
-    }
-
     void dec_x(uint32 val)
     {
         if (x_coord > val)