code cleanup

Author: AndrewPoppe

CASLogin.php

@@ -110,11 +110,10 @@ function authenticate() {
         \CAS_GracefullTerminationException::throwInsteadOfExiting();
 
         // force CAS authentication
-        $result = \phpCAS::forceAuthentication();
-        // get authenticated username
-        $user = \phpCAS::isAuthenticated() ? \phpCAS::getUser() : FALSE; 
+        \phpCAS::forceAuthentication();
 
-        return $user;
+        // Return authenticated username
+        return \phpCAS::getUser();
     }