remove offset for project_activities to fix overlap

mdd spacing between footer and main content

Signed-off-by: Yi Liu <yi.liu@eclipse-foundation.org>
Change-Id: I3009570a011cc9045009dc5a647d85a1527b8152
diff --git a/project_activity.php b/project_activity.php
index 8f56b2f..b016a28 100644
--- a/project_activity.php
+++ b/project_activity.php
@@ -30,7 +30,7 @@
 
   // Custom theme variables
 	$variables = array();
-	$variables['main_container_classes'] = 'container-full breadcrumbs-offset footer-offset';
+	$variables['main_container_classes'] = 'container-full';
 	$App->setThemeVariables($variables);
 
 	$App->AddExtraHtmlHeader('<link rel="stylesheet" type="text/css" href="/projects/web-parts/projects.css"/>');