Remove redundant loadInitialSites call in siteselector angular directive/controller.

plugins/CoreHome/angularjs/siteselector/siteselector.controller.js

@@ -38,7 +38,5 @@
             return piwik.helper.getCurrentQueryStringWithParametersModified(newParameters) +
             '#' + piwik.helper.getQueryStringWithParametersModified(hash.substring(1), newParameters);
         };
-
-        siteSelectorModel.loadInitialSites();
     }
 })();