drop old window tables

db/migrate/20140722231849_drop_old_window_tables.rb

@@ -0,0 +1,8 @@
+class DropOldWindowTables < ActiveRecord::Migration
+  def change
+    drop_table :chart_window_details
+    drop_table :plugin_window_details
+    drop_table :portlet_window_details
+  end
+end
+