Bug 1019733 Update loop.server preference to the production server. r=abr

browser/app/profile/firefox.js

@@ -1502,9 +1502,7 @@ pref("shumway.disabled", true);
 pref("image.mem.max_decoded_image_kb", 256000);
 
 #ifdef MOZ_LOOP
-// XXX This is a temporary development server. The production one will be
-// coming soon.
-pref("loop.server", "http://loop.dev.mozaws.net");
+pref("loop.server", "https://loop.services.mozilla.com");
 pref("loop.do_not_disturb", false);
 #endif