Remove unused PMA_String class

The class is no longer used:

- the ctype part is not needed by new SQL parser
- the utf-8 manipulation was replaced by direct usage of mbstring

Signed-off-by: Michal Čihař <michal@cihar.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/prefs_manage.php b/prefs_manage.php
index 3362a19029..c1a82aa4ef 100644
--- a/prefs_manage.php
+++ b/prefs_manage.php
@@ -9,7 +9,6 @@ use PMA\libraries\config\ConfigFile;
 use PMA\libraries\config\FormDisplay;
 use PMA\libraries\Message;
 use PMA\libraries\Response;
-use PMA\libraries\PMA_String;
 use PMA\libraries\Util;
 
 /**