Remove substitutions table generator (not needed anymore)

aleksis/apps/chronos/tables.py

@@ -35,19 +35,3 @@ class LessonsTable(tables.Table):
     edit_substitution = tables.LinkColumn(
         "edit_substitution", args=[A("id"), A("_week")], text=_("Substitution")
     )
-
-
-class SubstitutionsTable(tables.Table):
-    class Meta:
-        attrs = {"class": "highlight"}
-
-    lesson_period = tables.Column(verbose_name=_("Lesson"))
-    lesson__groups = tables.Column(
-        accessor="lesson_period__lesson__group_names", verbose_name=_("Groups")
-    )
-    lesson__teachers = tables.Column(
-        accessor="lesson_period__get_teacher_names", verbose_name=_("Teachers")
-    )
-    lesson__subject = tables.Column(accessor="subject")
-    room = tables.Column(accessor="room")
-    cancelled = tables.BooleanColumn(accessor="cancelled", verbose_name=_("Cancelled"))