Remove unnecessary comment

exercise2/src/bresenham_circle_tool.cpp

@@ -49,14 +49,8 @@ void bresenham_circle_tool::draw(int x0, int y0, int x1, int y1)
 
 	while (y >= x)
 	{
-		// for each pixel we will
-		// draw all eight pixels
-
 		x++;
 
-		// check for decision parameter
-		// and correspondingly
-		// update d, x, y
 		if (d > 0)
 		{
 			y--;