Bug 1758452 - Part 14: Remove glodaTestHelper.js. r=mkmelin

Depends on D141381

Differential Revision: https://phabricator.services.mozilla.com/D141383

--HG--
extra : moz-landing-system : lando

mailnews/db/gloda/test/unit/head_gloda.js

@@ -7,8 +7,6 @@ do_get_profile();
 
 var gDEPTH = "../../../../../";
 
-// glodaTestHelper.js does all the rest of the imports
-
 registerCleanupFunction(function() {
   load(gDEPTH + "mailnews/resources/mailShutdown.js");
 });