Remove extraneous copypasta message

Author: NullVoxPopuli

lib/babel-options-util.js

@@ -316,7 +316,7 @@ function _addDecoratorPlugins(plugins, options, config, parent, project) {
       project.ui.writeWarnLine(
         `${_parentName(
           parent
-        )} has added the static class block plugin to its build, but ember-cli-babel provides these by default now! You can remove the transforms, or the addon that provided them, such as @ember-decorators/babel-transforms. Ember supports the stage 1 decorator spec and transforms, so if you were using stage 2, you'll need to ensure that your decorators are compatible, or convert them to stage 1.`
+        )} has added the static class block plugin to its build, but ember-cli-babel provides these by default now! You can remove the transforms, or the addon that provided them.`
       );
     }
   } else {