delete configuration option $show_language_bar_selection

condition is based on the number of languages configured

app/inc/config.inc.php

@@ -24,9 +24,6 @@
 	 //use email for polls creation/modification/responses notification
 	 $use_smtp = true;
 	 
-	 //if only one language is allowed in constants.php, $ALLOWED_LANGUAGES, the language selection bar is useless
-	 $show_language_bar_selection = true;
-	 
  /**
  * index.php
  */

bandeaux.php

@@ -23,10 +23,11 @@ include_once __DIR__ . '/app/inc/init.php';
 // bandeaux de titre
 function bandeau_titre($titre)
 {
+	global $ALLOWED_LANGUAGES;
     $img = ( IMAGE_TITRE ) ? '<img src="'. Utils::get_server_name(). IMAGE_TITRE. '" alt="'.NOMAPPLICATION.'">' : '';
     echo '
     <header role="banner">';
-    if(config_get('show_language_bar_selection')){
+    if(count($ALLOWED_LANGUAGES)>1){ 
 		echo '<form method="post" action="#">
             <div class="input-group input-group-sm pull-right col-md-2 col-xs-4">
                 <select name="lang" class="form-control" title="'. _("Select the language") .'" >' . liste_lang() . '</select>