remove unneeded instance variable assignment from ProjectNestedSetTest

git-svn-id: http://svn.redmine.org/redmine/trunk@13430 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/project_nested_set_test.rb

@@ -39,8 +39,6 @@ class ProjectNestedSetTest < ActiveSupport::TestCase
     @b1.set_parent!(@b)
     @b11 = Project.create!(:name => 'B11', :identifier => 'projectb11')
     @b11.set_parent!(@b1)
-
-    @a, @a1, @a2, @b, @b1, @b11, @b2, @c, @c1 = *(Project.all.sort_by(&:name))
   end
 
   def test_valid_tree