[Cleanup] Remove more pool post set code

app/logical/post_sets/pool.rb

@@ -2,10 +2,6 @@ require_relative "../danbooru/paginator/elasticsearch_extensions"
 
 module PostSets
   class Pool < PostSets::Base
-    module ActiveRecordExtension
-      attr_accessor :total_pages, :current_page
-    end
-
     attr_reader :pool, :page
 
     def initialize(pool, page = 1)
@@ -45,14 +41,6 @@ module PostSets
       @presenter ||= PostSetPresenters::Pool.new(self)
     end
 
-    def total_pages
-      (pool.post_count.to_f / limit).ceil
-    end
-
-    def size
-      posts.size
-    end
-
     def current_page
       [page.to_i, 1].max
     end

app/logical/post_sets/pool_gallery.rb

@@ -1,16 +1,9 @@
 module PostSets
   class PoolGallery < PostSets::Base
-    attr_reader :page, :per_page, :pools
+    attr_reader :pools
 
-    def initialize(pools, page = 1, per_page = nil)
+    def initialize(pools)
       @pools = pools
-      @page = page
-      @per_page = (per_page || CurrentUser.per_page).to_i
-      @per_page = 200 if @per_page > 200
-    end
-
-    def current_page
-      [page.to_i, 1].max
     end
 
     def presenter

test/unit/post_sets/pool_test.rb

@@ -34,11 +34,11 @@ module PostSets
         end
 
         should "know the total number of pages" do
-          assert_equal(3, @set.total_pages)
+          assert_equal(3, @set.posts.total_pages)
         end
 
         should "know the current page" do
-          assert_equal(2, @set.current_page)
+          assert_equal(2, @set.posts.current_page)
         end
       end