Getting Started: remove reference to attr_accessible

guides/source/getting_started.md

@@ -693,7 +693,6 @@ The model file, `app/models/post.rb` is about as simple as it can get:
 
 ```ruby
 class Post < ActiveRecord::Base
-  attr_accessible :text, :title
 end
 ```
 
@@ -703,12 +702,6 @@ your Rails models for free, including basic database CRUD (Create, Read, Update,
 Destroy) operations, data validation, as well as sophisticated search support
 and the ability to relate multiple models to one another.
 
-Rails includes methods to help you secure some of your model fields. The Rails
-model generator added the `attr_accessible` line to your model file. This change
-will ensure that all changes made through HTML forms can edit the content of
-the text and title fields. Accessible attributes and the mass assignment problem is covered in
-details in the [Security guide](security.html#mass-assignment)
-
 ### Adding Some Validation
 
 Rails includes methods to help you validate the data that you send to models.
@@ -716,8 +709,6 @@ Open the `app/models/post.rb` file and edit it:
 
 ```ruby
 class Post < ActiveRecord::Base
-  attr_accessible :text, :title
-
   validates :title, presence: true,
                     length: { minimum: 5 }
 end
@@ -1229,7 +1220,6 @@ First, take a look at `comment.rb`:
 ```ruby
 class Comment < ActiveRecord::Base
   belongs_to :post
-  attr_accessible :body, :commenter
 end
 ```
 
@@ -1292,7 +1282,6 @@ makes each comment belong to a Post:
 ```ruby
 class Comment < ActiveRecord::Base
   belongs_to :post
-  attr_accessible :body, :commenter
 end
 ```