add lcms2 dependency in install

INSTALL.debian

@@ -46,7 +46,7 @@ fi
 apt-get update
 apt-get -y install $LIBSSL_DEV_PKG build-essential automake libxml2-dev libxslt-dev ncurses-dev sudo libreadline-dev flex bison ragel memcached libmemcached-dev git curl libcurl4-openssl-dev sendmail-bin sendmail nginx ssh coreutils ffmpeg mkvtoolnix
 apt-get -y install libpq-dev postgresql-client
-apt-get -y install libjpeg-turbo8-dev libexpat1-dev libgif-dev libpng-dev libexif-dev
+apt-get -y install liblcms2-dev libjpeg-turbo8-dev libexpat1-dev libgif-dev libpng-dev libexif-dev
 
 # vrack specific stuff
 if [ -n "$VLAN_IP_ADDR" ] ; then

app/logical/danbooru_image_resizer.rb

@@ -18,11 +18,7 @@ module DanbooruImageResizer
   end
 
   def self.crop(file, width, height, quality = 90)
-    if Vips.at_least_libvips?(8, 5)
-      crop_ruby(file, width, height, quality)
-    else
-      crop_shell(file, width, height, quality)
-    end    
+    crop_shell(file, width, height, quality)
   end
 
   # https://github.com/jcupitt/libvips/wiki/HOWTO----Image-shrinking