Minor - format code, update plugin lang var

plugin/test2pdf/lang/spanish.php

@@ -6,7 +6,7 @@ $strings['enable_plugin'] = "Activar plugin";
 $strings['ViewExercises'] = "Ver ejercicios";
 $strings['NoExercise'] = "Sin ejercicios creados en el curso";
 $strings['Exercise'] = "Ejercicio";
-$strings['DownloadOnlyQuestion'] = "Descargar cuestiones";
+$strings['DownloadOnlyQuestion'] = "Descargar preguntas";
 $strings['DownloadOnlyAnswer'] = "Descargar respuestas";
 $strings['DownloadAll'] = "Descargar todo";
 $strings['PluginDisabledFromAdminPanel'] = "La herramienta está deshabilitada desde la administración";

plugin/test2pdf/src/test2pdf.lib.php

@@ -37,7 +37,7 @@ $letters = [
 /**
  * List exercises.
  *
- * @param int $courseId Course ID
+ * @param int $courseId  Course ID
  * @param int $sessionId Session ID
  *
  * @throws Exception

plugin/test2pdf/src/test2pdf_plugin.class.php

@@ -55,7 +55,7 @@ class Test2pdfPlugin extends Plugin
      */
     public function uninstall()
     {
-        //Deleting course settings
+        // Deleting course settings.
         $this->uninstall_course_fields_in_all_courses($this->course_settings);
         $this->manageTab(false);
     }

plugin/test2pdf/src/view-pdf.php

@@ -5,9 +5,6 @@
  *
  * @package chamilo.plugin.test2pdf
  */
-/**
- * Initialization.
- */
 require_once '../config.php';
 api_protect_course_script(true);