Move drop column command to correct migration

database/migrations/2016_08_23_145619_add_show_in_nav_to_status_labels.php

@@ -25,7 +25,7 @@ class AddShowInNavToStatusLabels extends Migration
     public function down()
     {
         Schema::table('status_labels', function (Blueprint $table) {
-            $table->dropColumn('show_in_nav', 'field_encrypted');
+            $table->dropColumn('show_in_nav');
         });
     }
 }