Bug 1014855 - "Reenable test_url.html in workers". r=khuey

dom/workers/test/mochitest.ini

@@ -128,7 +128,6 @@ skip-if = buildapp == 'b2g' || e10s # b2g(test timed out, might need more time)
 [test_timeoutTracing.html]
 [test_transferable.html]
 [test_url.html]
-skip-if = (toolkit == 'gonk' && debug) #debug-only crash, bug 931887
 [test_urlApi.html]
 [test_workersDisabled.html]
 [test_xhr.html]