users: remove no_flagging and no_feedback permissions.

test/unit/user_feedback_test.rb

@@ -37,19 +37,6 @@ class UserFeedbackTest < ActiveSupport::TestCase
       assert_equal(["You cannot submit feedback for yourself"], feedback.errors.full_messages)
     end
 
-    context "with a no_feedback user" do
-      setup do
-        @gold_user = FactoryBot.create(:gold_user, no_feedback: true)
-        CurrentUser.user = @gold_user
-      end
-
-      should "not validate" do
-        feedback = FactoryBot.build(:user_feedback, :user => @gold_user)
-        feedback.save
-        assert_equal(["You cannot submit feedback"], feedback.errors.full_messages.grep(/^You cannot submit feedback$/))
-      end
-    end
-
     should "not validate if the creator is not gold" do
       user = FactoryBot.create(:user)
       gold = FactoryBot.create(:gold_user)