In easy-thumbnails 2.8 support for high resolution images (THUMBNAIL_HIGH_RESOLUTION and THUMBNAIL_HIGHRES_INFIX settings) and I believe HIGH_RESOLUTION argument for thumbnail tag has also been removed.
This removes specified settings and raises an error if they are used.
Fixes https://github.com/SmileyChris/easy-thumbnails/issues/584
In easy-thumbnails 2.8 support for high resolution images (THUMBNAIL_HIGH_RESOLUTION and THUMBNAIL_HIGHRES_INFIX settings) and I believe HIGH_RESOLUTION argument for thumbnail tag has also been removed.
This removes specified settings and raises an error if they are used.