Remove erroneous substituions from file names

hyrax/app/models/hyrax/uploaded_file.rb

@@ -51,8 +51,8 @@ module Hyrax
       parsed_file =  YAML.load_file(Rails.root.join('config', 'restricted_files.yml'))
 
       file_name = file.file.original_filename
-      
-      if parsed_file['restricted_file_names'].include?(file_name.gsub(/[\s_\-]/, '').downcase)
+
+      if parsed_file['restricted_file_names'].include?(file_name) || parsed_file['restricted_file_names'].include?(file_name.downcase)
         errors.add(:base, "This file name is restricted.")
       end
     end