Revert "Add partial accounts to collections endpoint (#38919)" (#39128)

app/models/collection.rb

@@ -31,7 +31,6 @@ class Collection < ApplicationRecord
 
   has_many :collection_items, dependent: :delete_all
   has_many :accepted_collection_items, -> { accepted }, class_name: 'CollectionItem', inverse_of: :collection # rubocop:disable Rails/HasManyOrHasOneDependent
-  has_many :top_items, -> { top_items }, class_name: 'CollectionItem', inverse_of: :collection # rubocop:disable Rails/HasManyOrHasOneDependent
   has_many :collection_reports, dependent: :delete_all
 
   validates :name, presence: true

app/models/collection_item.rb

@@ -47,15 +47,6 @@ class CollectionItem < ApplicationRecord
   scope :local, -> { joins(:collection).merge(Collection.local) }
   scope :accepted_partial, ->(account) { joins(:account).merge(Account.local).accepted.where(uri: nil, account_id: account.id) }
   scope :pending_or_accepted, -> { where(state: [:pending, :accepted]) }
-  scope :top_items, lambda { |limit = 4|
-    subquery = where('collection_items.collection_id = collections.id')
-      .accepted.ordered.limit(limit)
-      .arel.lateral('top_items')
-    collection_query = Collection
-      .select('top_items.*')
-      .from([Collection.arel_table, subquery])
-    from(collection_query, 'collection_items')
-  }
 
   def with_local_account?
     account&.local?