Revert "freeze time in conversations show spec to make ree travis happy"

as it did not work :/

This reverts commit d668b21cd4.

spec/controllers/conversations_controller_spec.rb

@@ -154,13 +154,11 @@ describe ConversationsController do
     end
     
     it 'succeeds with json' do
-      Timecop.freeze do
       get :show, :id => @conversation.id, :format => :json
       response.should be_success
       assigns[:conversation].should == @conversation
       response.body.should == @conversation.to_json
     end
-    end
 
     it 'redirects to index' do
       get :show, :id => @conversation.id