Remove desktop_UrlFetch from regression test suite.

server/site_tests/suites/control.regression

Index: server/site_tests/suites/control.regression
diff --git a/server/site_tests/suites/control.regression b/server/site_tests/suites/control.regression
index 30451ea9e80316eebc43edfb66d20b6718585b7c..b796750e89dd92222e43dbb3377fd693226905c9 100644
--- a/server/site_tests/suites/control.regression
+++ b/server/site_tests/suites/control.regression
@@ -90,10 +90,6 @@ TESTS = [
 #  ('realtimecomm_GTalkAudioBench', {}),
   ('realtimecomm_GTalkunittest', {}),
   ('unixbench', {}),
-# desktopui_UrlFetch has an undesired 'shutdown' command inside which will cause
-# consecutive test to be aborted unexpectly. Move it to the end of the test
-# loop.
-  ('desktopui_UrlFetch', {}),
 ]
 
 # A dict which holds {machine: [(test, argv), (test, argv), ...]}