Minor - Changing comment

plugin/bbb/course_install.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * This script should be included by add_course.lib.inc.php when adding a new course
+ * This script is executed when a new course is created
  * @package chamilo.plugin.bigbluebutton
  */
 /**
@@ -22,9 +22,6 @@ if (!empty($course_id)) {
     $sql_course = "INSERT INTO $t_course (c_id, variable,value,category) VALUES ($course_id, 'big_blue_button_moderator_password','','plugins')";
     $r = Database::query($sql_course);    
     
-    
-    
-    
     //New BBB settings
         
     $sql_course = "INSERT INTO $t_course (c_id, variable,value,category) VALUES ($course_id, 'big_blue_button_max_students_allowed','','plugins')";
@@ -45,7 +42,6 @@ if (!empty($course_id)) {
     $sql_course = "INSERT INTO $t_course (c_id, variable,value,category) VALUES ($course_id, 'big_blue_button_record_and_store','','plugins')";    
     $r = Database::query($sql_course);   
     
-    
     $t_tool = Database::get_course_table(TABLE_TOOL_LIST);
     $sql_course = "INSERT INTO $t_tool VALUES ($course_id, NULL, 'videoconference','../../plugin/bbb/start.php','visio.gif','".string2binary(api_get_setting('course_create_active_tools', 'videoconference'))."','0','squaregrey.gif','NO','_blank','plugin','0')";
     $r = Database::query($sql_course);