commented not yet used functions -> remove if really not used

Utility.h

@@ -56,6 +56,7 @@ static float pDistance(float x, float y, float x1, float y1, float x2, float y2)
     //return sqrt(dx * dx + dy * dy);
 }
 
+/* not used anymore... or yet
 static bool SortForMinXMaxY (const Point& a, const Point& b)
 {
     if (a.x() != b.x())
@@ -87,5 +88,5 @@ static std::pair<Point, Point> getMinMaxX(std::vector<Point>& pts)
     std::sort(pts.begin(), pts.end(), SortForMinXMaxY);
 
     return std::make_pair(pts[0], pts[pts.size() - 1]);
-}
+}*/
 #endif // UTILITY_H