Story #105839906 -- drop Version and log_legal_documents from legal_documents

db/migrate/20151117081204_drop_log_legal_documents.rb

@@ -0,0 +1,12 @@
+class DropLogLegalDocuments < ActiveRecord::Migration
+  def up
+    drop_table :log_legal_documents
+    remove_column :legal_documents, :updated_at
+    remove_column :legal_documents, :updator_str
+  end
+
+  def down
+    # removed concern Version, which removed LegalDocumentVersion
+    fail ActiveRecord::IrreversibleMigration
+  end
+end