optimize account submissions assoc

app/models/account.rb

@@ -20,7 +20,7 @@ class Account < ApplicationRecord
   has_many :template_folders, dependent: :destroy
   has_one :default_template_folder, -> { where(name: TemplateFolder::DEFAULT_NAME) },
           class_name: 'TemplateFolder', dependent: :destroy, inverse_of: :account
-  has_many :submissions, through: :templates
+  has_many :submissions, dependent: :destroy
   has_many :submitters, through: :submissions
   has_many :account_linked_accounts, dependent: :destroy
   has_many :account_testing_accounts, -> { testing }, dependent: :destroy,