Removed unused/old/pre-refactor settings

•Removed:
- unused/old/pre-refactor settings

app/helpers/application_helper.rb

@@ -96,8 +96,6 @@ module ApplicationHelper
   def body_classes
     output = (@body_classes || '').split(' ')
     output << "theme-#{current_theme.parameterize}"
-    output << 'system-font' if current_account&.user&.setting_system_font_ui
-    output << (current_account&.user&.setting_reduce_motion ? 'reduce-motion' : 'no-reduce-motion')
     output << 'rtl' if locale_direction == 'rtl'
     output.reject(&:blank?).join(' ')
   end