Revert #4616 (#4638)

app/serializers/activitypub/accept_follow_serializer.rb

@@ -3,7 +3,7 @@
 class ActivityPub::AcceptFollowSerializer < ActiveModel::Serializer
   attributes :id, :type, :actor
 
-  has_one :object, serializer: ActivityPub::InverseFollowSerializer
+  has_one :object, serializer: ActivityPub::FollowSerializer
 
   def id
     [ActivityPub::TagManager.instance.uri_for(object.target_account), '#accepts/follows/', object.id].join

app/serializers/activitypub/inverse_follow_serializer.rb

@@ -1,22 +0,0 @@
-# frozen_string_literal: true
-
-class ActivityPub::InverseFollowSerializer < ActiveModel::Serializer
-  attributes :id, :type, :actor
-  attribute :virtual_object, key: :object
-
-  def id
-    [ActivityPub::TagManager.instance.uri_for(object.target_account), '#follows/', object.id].join
-  end
-
-  def type
-    'Follow'
-  end
-
-  def actor
-    ActivityPub::TagManager.instance.uri_for(object.target_account)
-  end
-
-  def virtual_object
-    ActivityPub::TagManager.instance.uri_for(object.account)
-  end
-end

app/serializers/activitypub/reject_follow_serializer.rb

@@ -3,7 +3,7 @@
 class ActivityPub::RejectFollowSerializer < ActiveModel::Serializer
   attributes :id, :type, :actor
 
-  has_one :object, serializer: ActivityPub::InverseFollowSerializer
+  has_one :object, serializer: ActivityPub::FollowSerializer
 
   def id
     [ActivityPub::TagManager.instance.uri_for(object.target_account), '#rejects/follows/', object.id].join