contrast.rb in rmagick-1.15.10

- old
+ new

@@ -6,10 +6,9 @@
 img = Magick::ImageList.new('images/Flower_Hat.jpg')
 img.resize!(0.5)
 
 # Prepare to label each image with a number from 1 to 4
 legend = Magick::Draw.new
-legend.font_family = 'Helvetica'
 legend.stroke = 'transparent'
 legend.pointsize = 12
 legend.gravity = Magick::SouthEastGravity
 
 # Add 3 images, each one having slightly less contrast