Dropped expiration date from the snippet API

doc/api/project_snippets.md

@@ -57,7 +57,6 @@ Parameters:
 + `id` (required) - The ID of a project
 + `title` (required) - The title of a snippet
 + `file_name` (required) - The name of a snippet file
-+ `lifetime` (optional) - The expiration date of a snippet
 + `code` (required) - The content of a snippet
@@ -75,7 +74,6 @@ Parameters:
 + `snippet_id` (required) - The ID of a project's snippet
 + `title` (optional) - The title of a snippet
 + `file_name` (optional) - The name of a snippet file
-+ `lifetime` (optional) - The expiration date of a snippet
 + `code` (optional) - The content of a snippet

lib/api/project_snippets.rb

@@ -41,7 +41,6 @@ module API
       #   id (required) - The ID of a project
       #   title (required) - The title of a snippet
       #   file_name (required) - The name of a snippet file
-      #   lifetime (optional) - The expiration date of a snippet
       #   code (required) - The content of a snippet
       # Example Request:
       #   POST /projects/:id/snippets
@@ -50,7 +49,6 @@ module API
         required_attributes! [:title, :file_name, :code]
         attrs = attributes_for_keys [:title, :file_name]
-        attrs[:expires_at] = params[:lifetime] if params[:lifetime].present?
         attrs[:content] = params[:code] if params[:code].present?
         @snippet = user_project.snippets.new attrs
         @snippet.author = current_user
@@ -69,7 +67,6 @@ module API
       #   snippet_id (required) - The ID of a project snippet
       #   title (optional) - The title of a snippet
       #   file_name (optional) - The name of a snippet file
-      #   lifetime (optional) - The expiration date of a snippet
       #   code (optional) - The content of a snippet
       # Example Request:
       #   PUT /projects/:id/snippets/:snippet_id
@@ -78,7 +75,6 @@ module API
         authorize! :modify_project_snippet, @snippet
         attrs = attributes_for_keys [:title, :file_name]
-        attrs[:expires_at] = params[:lifetime] if params[:lifetime].present?
         attrs[:content] = params[:code] if params[:code].present?
         if @snippet.update_attributes attrs