fix: removed unused functions

lms/www/dashboard/index.py

@@ -22,58 +22,3 @@ def get_notifications():
         notification.url = "/courses/{0}/learn/{1}".format(course, get_lesson_index(notification.document_name))
 
     return notifications
-
-
-def get_notifications_old():
-    notifications = []
-
-    notifications +=  get_notifications_from_lessons_created()
-
-    notifications +=  get_notifications_from_topics_created()
-
-    if len(notifications):
-        notifications = sorted(notifications, key=lambda t: datetime.strptime(frappe.utils.format_datetime(t.creation, "dd-mm-yyyy HH:mm:ss"),"%d/%m/%Y %H:%M:%S"))
-    return notifications
-
-
-def get_notifications_from_lessons_created():
-
-    lessons = frappe.get_all("Course Lesson", {
-        "owner": frappe.session.user
-    }, ["name"])
-
-    for lesson in lessons:
-        topics = frappe.get_all("Discussion Topic", {
-            "reference_doctype": "Course Lesson",
-            "reference_docname": lesson.name
-        }, ["name"])
-
-    return get_notifications_from_replies(topics)
-
-
-def get_notifications_from_topics_created():
-
-    topics = frappe.get_all("Discussion Topic", {
-        "owner": frappe.session.user
-    }, ["name"])
-
-    return get_notifications_from_replies(topics)
-
-
-
-def get_notifications_from_replies(topics):
-    notifications = []
-
-    for topic in topics:
-        replies = frappe.get_all("Discussion Reply", {
-            "topic": topic.name
-        }, ["reply", "owner", "creation"])
-
-        for reply in replies:
-            notification = frappe._dict()
-            notification["message"] = reply.reply
-            notification["user"] = reply.owner
-            notification["creation"] = reply.creation
-            notifications.append(notification)
-
-    return notifications