remove 'crop_tall_images' site setting but keep the behavior

app/models/upload.rb

@@ -35,7 +35,7 @@ class Upload < ActiveRecord::Base
     opts = {
       filename: self.original_filename,
       allow_animation: SiteSetting.allow_animated_thumbnails,
-      crop: crop && SiteSetting.crop_tall_images
+      crop: crop
     }
 
     if thumbnail = OptimizedImage.create_for(self, width, height, opts)

config/locales/server.en.yml

@@ -1094,7 +1094,6 @@ en:
     max_users_notified_per_group_mention: "Maximum number of users that may recieve a notification if a group is mentioned (if threshold is met no notifications will be raised)"
 
     create_thumbnails: "Create thumbnails and lightbox images that are too large to fit in a post."
-    crop_tall_images: "When creating a thumbnail of a tall image, crop it instead of generating a thin thumbnail."
 
     email_time_window_mins: "Wait (n) minutes before sending any notification emails, to give users a chance to edit and finalize their posts."
     private_email_time_window_seconds: "Wait (n) seconds before sending any private notification emails, to give users a chance to edit and finalize their messages."

config/site_settings.yml

@@ -613,7 +613,6 @@ files:
     type: list
     default: ''
   create_thumbnails: true
-  crop_tall_images: true
   clean_up_uploads: true
   clean_orphan_uploads_grace_period_hours: 1
   purge_deleted_uploads_grace_period_days: 30

lib/cooked_post_processor.rb

@@ -208,7 +208,7 @@ class CookedPostProcessor
     return if is_a_hyperlink?(img)
 
     crop = false
-    if SiteSetting.crop_tall_images && (original_width.to_f / original_height.to_f < 0.75)
+    if original_width.to_f / original_height.to_f < 0.75
       crop = true
       width, height = ImageSizer.crop(original_width, original_height)
       img["width"] = width