There is no need to duplicate this message.

libraries/export/csv.php

@@ -14,7 +14,7 @@ if (! defined('PHPMYADMIN')) {
 
 if (isset($plugin_list)) {
     $plugin_list['csv'] = array(
-        'text' => 'strStrucCSV',
+        'text' => 'strCSV',
         'extension' => 'csv',
         'mime_type' => 'text/comma-separated-values',
         'options' => array(

libraries/messages.inc.php

@@ -1046,7 +1046,6 @@ $strStatus = __('Status');
 $strStop = __('Stop');
 $strStorageEngines = __('Storage Engines');
 $strStorageEngine = __('Storage Engine');
-$strStrucCSV = _pgettext('$strStrucCSV', 'CSV');
 $strStrucData = __('Structure and data');
 $strStrucExcelCSV = __('CSV for MS Excel');
 $strStrucOnly = __('Structure only');