Remove `user#lists` action, view and route

app/controllers/user_controller.rb

@@ -71,17 +71,6 @@ class UserController < ApplicationController
   end
   # endregion
 
-  # region Lists
-  def lists
-    @user = User.where('LOWER(screen_name) = ?', params[:username].downcase).first!
-    @lists = if current_user == @user
-                @user.lists
-              else
-                @user.lists.where(private: false)
-              end.all
-  end
-  # endregion
-
   def followers
     @title = 'Followers'
     @user = User.where('LOWER(screen_name) = ?', params[:username].downcase).includes(:profile).first!

app/views/user/lists.haml

@@ -1,9 +0,0 @@
-%ul
-  - @lists.each do |list|
-    %li
-      - if list.private?
-        %i.fa.fa-lock
-      = list.display_name
-
-- provide(:title, user_title(@user, 'lists'))
-- parent_layout 'user/profile'

config/routes.rb

@@ -143,7 +143,6 @@ Rails.application.routes.draw do
   match '/:username/followers(/p/:page)', to: 'user#followers', via: 'get', as: :show_user_followers, defaults: {page: 1}
   match '/:username/followings(/p/:page)', to: 'user#followings', via: 'get', as: :show_user_followings, defaults: {page: 1}
   match '/:username/friends(/p/:page)', to: redirect('/%{username}/followings/p/%{page}'), via: 'get', defaults: {page: 1}
-  match '/:username/lists(/p/:page)', to: 'user#lists', via: 'get', as: :show_user_lists, defaults: {page: 1}
   match '/:username/questions(/p/:page)', to: 'user#questions', via: 'get', as: :show_user_questions, defaults: {page: 1}
 
   match '/feedback/consent', to: 'feedback#consent', via: 'get', as: 'feedback_consent'