Revert "Perf: Don't load the association for #delete_all."

This reverts commit b98d1e21635d8776de8893cc09bd86c71f6c78f0.

Closes #6609

Conflicts:

	activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb

1 files changed, 0 insertions, 12 deletions

diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index 4f50c97147..a51ce26117 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -1698,16 +1698,4 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     assert_equal [bulb1, bulb3], car.bulbs
     assert_equal [bulb1, bulb3], result
   end
-
-  test "delete_all, when not loaded, doesn't load the records" do
-    post = posts(:welcome)
-
-    assert post.taggings_with_delete_all.count > 0
-    assert !post.taggings_with_delete_all.loaded?
-
-    # 2 queries: one DELETE and another to update the counter cache
-    assert_queries(2) do
-      post.taggings_with_delete_all.delete_all
-    end
-  end
 end