remove spaces etc. at end of line (no functional change)

template/quitesimple/js_session_refresh

@@ -1,5 +1,5 @@
-function refreshSession() 
-{ 
+function refreshSession()
+{
 fetch(new Request("{qswiki:config:refreshsessionurl}"));
-} 
+}
 setInterval(refreshSession, 60*2*1000);