Remove dead code from ProxyExercise

app/controllers/proxy_exercises_controller.rb

@@ -70,12 +70,9 @@ class ProxyExercisesController < ApplicationController
 
   def show
     @search = @proxy_exercise.exercises.ransack
-    @exercises = @proxy_exercise.exercises.ransack.result.order(:title) # @search.result.order(:title)
+    @exercises = @proxy_exercise.exercises.ransack.result.order(:title)
   end
 
-  # we might want to think about auth here
-  def reload; end
-
   def update
     myparams = proxy_exercise_params
     myparams[:exercises] = Exercise.find(myparams[:exercise_ids].compact_blank)

app/policies/proxy_exercise_policy.rb

@@ -13,10 +13,6 @@ class ProxyExercisePolicy < AdminOrAuthorPolicy
     define_method(action) { admin? || author? }
   end
 
-  [:reload?].each do |action|
-    define_method(action) { everyone }
-  end
-
   class Scope < Scope
     def resolve
       if @user.admin?

app/views/proxy_exercises/reload.json.jbuilder

@@ -1,5 +0,0 @@
-# frozen_string_literal: true
-
-json.set! :files do
-  json.array! @exercise.files.visible, :content, :id
-end