fix gitlab import and spec

lib/gitlab/gitlab_import/importer.rb

@@ -5,10 +5,13 @@ module Gitlab
 
       def initialize(project)
         @project = project
-        import_data = project.import_data.try(:data)
-        gitlab_session = import_data["gitlab_session"] if import_data
-        @client = Client.new(gitlab_session["gitlab_access_token"])
+        credentials = import_data.credentials
+        if credentials && credentials["password"]
+          @client = Client.new(credentials["password"])
           @formatter = Gitlab::ImportFormatter.new
+        else
+          raise Projects::ImportService::Error, "Unable to find project import data credentials for project ID: #{@project.id}"
+        end
       end
 
       def execute

lib/gitlab/gitlab_import/project_creator.rb

@@ -23,7 +23,6 @@ module Gitlab
           import_url: repo["http_url_to_repo"].sub("://", "://oauth2:#{@session_data[:gitlab_access_token]}@")
         ).execute
 
-        project.create_import_data(data: { "gitlab_session" => session_data } )
         project
       end
     end