Remove unnecessary leftover code

app/controllers/api/activitypub/accounts_controller.rb

@@ -1,9 +1,7 @@
 # frozen_string_literal: true
 
 class Api::Activitypub::AccountsController < ApiController
-  before_action -> { doorkeeper_authorize! :read }, except: [:show]
-  before_action :require_user!, except: [:show]
-  before_action :set_account, except: [:verify_credentials, :suggestions, :search]
+  before_action :set_account
 
   respond_to :'application/activity+json'
   respond_to :'application/ld+json; profile="https://www.w3.org/ns/activitystreams#"'

config/routes.rb

@@ -154,9 +154,7 @@ Rails.application.routes.draw do
     end
 
     namespace :activitypub do
-      resources :accounts do
-        get '/:id', to: 'accounts#show'
-      end
+      resources :accounts, only: [:show]
     end
 
     namespace :web do