feat: update removing priority from nelp koa

Remove priority from static main tabs to make tab sorting function works correctly

(cherry picked from commit 2ca69ec19b3227e9efbe7481e0abe3ff44c8f11c)
(cherry picked from commit c4d5411)

lms/djangoapps/courseware/tabs.py

@@ -61,7 +61,6 @@ class SyllabusTab(EnrolledTab):
     """
     type = 'syllabus'
     title = gettext_noop('Syllabus')
-    priority = 80
     view_name = 'syllabus'
     allow_multiple = True
     is_default = False
@@ -79,7 +78,6 @@ class ProgressTab(EnrolledTab):
     """
     type = 'progress'
     title = gettext_noop('Progress')
-    priority = 20
     view_name = 'progress'
     is_hideable = True
     is_default = False
@@ -305,7 +303,6 @@ class DatesTab(EnrolledTab):
     type = "dates"
     # We don't have the user in this context, so we don't want to translate it at this level.
     title = gettext_noop("Dates")
-    priority = 30
     view_name = "dates"
 
     def __init__(self, tab_dict):