installer: Remove redundant $key variable

Change-Id: Ie6d59a1fd94ccfb2a3b5248f1f98ae640a4d5c2c

diff --git a/includes/installer/Installer.php b/includes/installer/Installer.php
index bc3fe29..63b251a 100644 (file)
--- a/includes/installer/Installer.php
+++ b/includes/installer/Installer.php
@@ -866,8 +866,7 @@ abstract class Installer {
                }
 
                if ( !$caches ) {
-                       $key = 'config-no-cache-apcu';
-                       $this->showMessage( $key );
+                       $this->showMessage( 'config-no-cache-apcu' );
                }
 
                $this->setVar( '_Caches', $caches );