MDL-23308, change course files link name

lang/en/moodle.php

@@ -311,7 +311,7 @@
 $string['courseinfo'] = 'Course info';
 $string['coursemessage'] = 'Message course users';
 $string['coursenotaccessible'] = 'This course does not allow public access';
-$string['courselegacyfiles'] = 'Legacy course files';
+$string['courselegacyfiles'] = 'Course files';
 $string['courselegacyfiles_help'] = 'Files are now stored in separate areas for each activity or specific purposes, the old course files area is not available any more in new courses. This was necessary for real access control implementation, reliable backup/restore, etc.';
 $string['courseoverview'] = 'Course overview';
 $string['courseoverviewgraph'] = 'Course overview graph';